marlin/Marlin/src/inc/SanityCheck.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#pragma once

/**
 * SanityCheck.h
 *
 * Test configuration values for errors at compile-time.
 */

/**
 * Require gcc 4.7 or newer (first included with Arduino 1.6.8) for C++11 features.
 */
#if __cplusplus < 201103L
  #error "Marlin requires C++11 support (gcc >= 4.7, Arduino IDE >= 1.6.8). Please upgrade your toolchain."
#endif

/**
 * We try our best to include sanity checks for all changed configuration
 * directives because users have a tendency to use outdated config files with
 * the bleeding-edge source code, but sometimes this is not enough. This check
 * forces a minimum config file revision. Otherwise Marlin will not build.
 */
#define HEXIFY(H) _CAT(0x,H)
#if !defined(CONFIGURATION_H_VERSION) || HEXIFY(CONFIGURATION_H_VERSION) < HEXIFY(REQUIRED_CONFIGURATION_H_VERSION)
  #error "You are using an old Configuration.h file, update it before building Marlin."
#endif

#if !defined(CONFIGURATION_ADV_H_VERSION) || HEXIFY(CONFIGURATION_ADV_H_VERSION) < HEXIFY(REQUIRED_CONFIGURATION_ADV_H_VERSION)
  #error "You are using an old Configuration_adv.h file, update it before building Marlin."
#endif
#undef HEXIFY

/**
 * Warnings for old configurations
 */
#ifndef MOTHERBOARD
  #error "MOTHERBOARD is required. Please update your configuration."
#elif !defined(X_BED_SIZE) || !defined(Y_BED_SIZE)
  #error "X_BED_SIZE and Y_BED_SIZE are now required! Please update your configuration."
#elif WATCH_TEMP_PERIOD > 500
  #error "WATCH_TEMP_PERIOD now uses seconds instead of milliseconds."
#elif DISABLED(THERMAL_PROTECTION_HOTENDS) && (defined(WATCH_TEMP_PERIOD) || defined(THERMAL_PROTECTION_PERIOD))
  #error "Thermal Runaway Protection for hotends is now enabled with THERMAL_PROTECTION_HOTENDS."
#elif DISABLED(THERMAL_PROTECTION_BED) && defined(THERMAL_PROTECTION_BED_PERIOD)
  #error "Thermal Runaway Protection for the bed is now enabled with THERMAL_PROTECTION_BED."
#elif (CORE_IS_XZ || CORE_IS_YZ) && ENABLED(Z_LATE_ENABLE)
  #error "Z_LATE_ENABLE can't be used with COREXZ, COREZX, COREYZ, or COREZY."
#elif defined(X_HOME_RETRACT_MM)
  #error "[XYZ]_HOME_RETRACT_MM settings have been renamed [XYZ]_HOME_BUMP_MM."
#elif defined(SDCARDDETECTINVERTED)
  #error "SDCARDDETECTINVERTED is now SD_DETECT_INVERTED. Please update your configuration."
#elif defined(BTENABLED)
  #error "BTENABLED is now BLUETOOTH. Please update your configuration."
#elif defined(CUSTOM_MENDEL_NAME)
  #error "CUSTOM_MENDEL_NAME is now CUSTOM_MACHINE_NAME. Please update your configuration."
#elif defined(HAS_AUTOMATIC_VERSIONING)
  #error "HAS_AUTOMATIC_VERSIONING is now USE_AUTOMATIC_VERSIONING. Please update your configuration."
#elif defined(SDSLOW)
  #error "SDSLOW deprecated. Set SPI_SPEED to SPI_HALF_SPEED instead."
#elif defined(SDEXTRASLOW)
  #error "SDEXTRASLOW deprecated. Set SPI_SPEED to SPI_QUARTER_SPEED instead."
#elif defined(FILAMENT_SENSOR)
  #error "FILAMENT_SENSOR is now FILAMENT_WIDTH_SENSOR. Please update your configuration."
#elif defined(ENDSTOPPULLUP_FIL_RUNOUT)
  #error "ENDSTOPPULLUP_FIL_RUNOUT is now FIL_RUNOUT_PULLUP. Please update your configuration."
#elif defined(DISABLE_MAX_ENDSTOPS) || defined(DISABLE_MIN_ENDSTOPS)
  #error "DISABLE_MAX_ENDSTOPS and DISABLE_MIN_ENDSTOPS deprecated. Use individual USE_*_PLUG options instead."
#elif defined(LANGUAGE_INCLUDE)
  #error "LANGUAGE_INCLUDE has been replaced by LCD_LANGUAGE. Please update your configuration."
#elif defined(EXTRUDER_OFFSET_X) || defined(EXTRUDER_OFFSET_Y)
  #error "EXTRUDER_OFFSET_[XY] is deprecated. Use HOTEND_OFFSET_[XY] instead."
#elif defined(PID_PARAMS_PER_EXTRUDER)
  #error "PID_PARAMS_PER_EXTRUDER is deprecated. Use PID_PARAMS_PER_HOTEND instead."
#elif defined(EXTRUDER_WATTS) || defined(BED_WATTS)
  #error "EXTRUDER_WATTS and BED_WATTS are deprecated. Remove them from your configuration."
#elif defined(SERVO_ENDSTOP_ANGLES)
  #error "SERVO_ENDSTOP_ANGLES is deprecated. Use Z_SERVO_ANGLES instead."
#elif defined(X_ENDSTOP_SERVO_NR) || defined(Y_ENDSTOP_SERVO_NR)
  #error "X_ENDSTOP_SERVO_NR and Y_ENDSTOP_SERVO_NR are deprecated and should be removed."
#elif defined(Z_ENDSTOP_SERVO_NR)
  #error "Z_ENDSTOP_SERVO_NR is now Z_PROBE_SERVO_NR. Please update your configuration."
#elif defined(DEFAULT_XYJERK)
  #error "DEFAULT_XYJERK is deprecated. Use DEFAULT_XJERK and DEFAULT_YJERK instead."
#elif defined(XY_TRAVEL_SPEED)
  #error "XY_TRAVEL_SPEED is deprecated. Use XY_PROBE_SPEED instead."
#elif defined(PROBE_SERVO_DEACTIVATION_DELAY)
  #error "PROBE_SERVO_DEACTIVATION_DELAY is deprecated. Use DEACTIVATE_SERVOS_AFTER_MOVE instead."
#elif defined(SERVO_DEACTIVATION_DELAY)
  #error "SERVO_DEACTIVATION_DELAY is deprecated. Use SERVO_DELAY instead."
#elif ENABLED(FILAMENTCHANGEENABLE)
  #error "FILAMENTCHANGEENABLE is now ADVANCED_PAUSE_FEATURE. Please update your configuration."
#elif ENABLED(FILAMENT_CHANGE_FEATURE)
  #error "FILAMENT_CHANGE_FEATURE is now ADVANCED_PAUSE_FEATURE. Please update your configuration."
#elif defined(FILAMENT_CHANGE_X_POS) || defined(FILAMENT_CHANGE_Y_POS)
  #error "FILAMENT_CHANGE_[XY]_POS is now set with NOZZLE_PARK_POINT. Please update your configuration."
#elif defined(FILAMENT_CHANGE_Z_ADD)
  #error "FILAMENT_CHANGE_Z_ADD is now set with NOZZLE_PARK_POINT. Please update your configuration."
#elif defined(FILAMENT_CHANGE_XY_FEEDRATE)
  #error "FILAMENT_CHANGE_XY_FEEDRATE is now NOZZLE_PARK_XY_FEEDRATE. Please update your configuration."
#elif defined(FILAMENT_CHANGE_Z_FEEDRATE)
  #error "FILAMENT_CHANGE_Z_FEEDRATE is now NOZZLE_PARK_Z_FEEDRATE. Please update your configuration."
#elif defined(PAUSE_PARK_X_POS) || defined(PAUSE_PARK_Y_POS)
  #error "PAUSE_PARK_[XY]_POS is now set with NOZZLE_PARK_POINT. Please update your configuration."
#elif defined(PAUSE_PARK_Z_ADD)
  #error "PAUSE_PARK_Z_ADD is now set with NOZZLE_PARK_POINT. Please update your configuration."
#elif defined(PAUSE_PARK_XY_FEEDRATE)
  #error "PAUSE_PARK_XY_FEEDRATE is now NOZZLE_PARK_XY_FEEDRATE. Please update your configuration."
#elif defined(PAUSE_PARK_Z_FEEDRATE)
  #error "PAUSE_PARK_Z_FEEDRATE is now NOZZLE_PARK_Z_FEEDRATE. Please update your configuration."
#elif defined(FILAMENT_CHANGE_RETRACT_FEEDRATE)
  #error "FILAMENT_CHANGE_RETRACT_FEEDRATE is now PAUSE_PARK_RETRACT_FEEDRATE. Please update your configuration."
#elif defined(FILAMENT_CHANGE_RETRACT_LENGTH)
  #error "FILAMENT_CHANGE_RETRACT_LENGTH is now PAUSE_PARK_RETRACT_LENGTH. Please update your configuration."
#elif defined(FILAMENT_CHANGE_EXTRUDE_FEEDRATE)
  #error "FILAMENT_CHANGE_EXTRUDE_FEEDRATE is now ADVANCED_PAUSE_PURGE_FEEDRATE. Please update your configuration."
#elif defined(ADVANCED_PAUSE_EXTRUDE_FEEDRATE)
  #error "ADVANCED_PAUSE_EXTRUDE_FEEDRATE is now ADVANCED_PAUSE_PURGE_FEEDRATE. Please update your configuration."
#elif defined(FILAMENT_CHANGE_EXTRUDE_LENGTH)
  #error "FILAMENT_CHANGE_EXTRUDE_LENGTH is now ADVANCED_PAUSE_PURGE_LENGTH. Please update your configuration."
#elif defined(ADVANCED_PAUSE_EXTRUDE_LENGTH)
  #error "ADVANCED_PAUSE_EXTRUDE_LENGTH is now ADVANCED_PAUSE_PURGE_LENGTH. Please update your configuration."
#elif defined(FILAMENT_CHANGE_NOZZLE_TIMEOUT)
  #error "FILAMENT_CHANGE_NOZZLE_TIMEOUT is now PAUSE_PARK_NOZZLE_TIMEOUT. Please update your configuration."
#elif defined(FILAMENT_CHANGE_NUMBER_OF_ALERT_BEEPS)
  #error "FILAMENT_CHANGE_NUMBER_OF_ALERT_BEEPS is now FILAMENT_CHANGE_ALERT_BEEPS. Please update your configuration."
#elif defined(FILAMENT_CHANGE_NO_STEPPER_TIMEOUT)
  #error "FILAMENT_CHANGE_NO_STEPPER_TIMEOUT is now PAUSE_PARK_NO_STEPPER_TIMEOUT. Please update your configuration."
#elif defined(PLA_PREHEAT_HOTEND_TEMP)
  #error "PLA_PREHEAT_HOTEND_TEMP is now PREHEAT_1_TEMP_HOTEND. Please update your configuration."
#elif defined(PLA_PREHEAT_HPB_TEMP)
  #error "PLA_PREHEAT_HPB_TEMP is now PREHEAT_1_TEMP_BED. Please update your configuration."
#elif defined(PLA_PREHEAT_FAN_SPEED)
  #error "PLA_PREHEAT_FAN_SPEED is now PREHEAT_1_FAN_SPEED. Please update your configuration."
#elif defined(ABS_PREHEAT_HOTEND_TEMP)
  #error "ABS_PREHEAT_HOTEND_TEMP is now PREHEAT_2_TEMP_HOTEND. Please update your configuration."
#elif defined(ABS_PREHEAT_HPB_TEMP)
  #error "ABS_PREHEAT_HPB_TEMP is now PREHEAT_2_TEMP_BED. Please update your configuration."
#elif defined(ABS_PREHEAT_FAN_SPEED)
  #error "ABS_PREHEAT_FAN_SPEED is now PREHEAT_2_FAN_SPEED. Please update your configuration."
#elif defined(ENDSTOPS_ONLY_FOR_HOMING)
  #error "ENDSTOPS_ONLY_FOR_HOMING is deprecated. Use (disable) ENDSTOPS_ALWAYS_ON_DEFAULT instead."
#elif defined(HOMING_FEEDRATE)
  #error "HOMING_FEEDRATE is deprecated. Set individual rates with HOMING_FEEDRATE_(XY|Z|E) instead."
#elif defined(MANUAL_HOME_POSITIONS)
  #error "MANUAL_HOME_POSITIONS is deprecated. Set MANUAL_[XYZ]_HOME_POS as-needed instead."
#elif defined(PID_ADD_EXTRUSION_RATE)
  #error "PID_ADD_EXTRUSION_RATE is now PID_EXTRUSION_SCALING and is DISABLED by default. Are you sure you want to use this option? Please update your configuration."
#elif defined(Z_RAISE_BEFORE_HOMING)
  #error "Z_RAISE_BEFORE_HOMING is now Z_HOMING_HEIGHT. Please update your configuration."
#elif defined(MIN_Z_HEIGHT_FOR_HOMING)
  #error "MIN_Z_HEIGHT_FOR_HOMING is now Z_HOMING_HEIGHT. Please update your configuration."
#elif defined(Z_RAISE_BEFORE_PROBING) || defined(Z_RAISE_AFTER_PROBING)
  #error "Z_RAISE_(BEFORE|AFTER)_PROBING are deprecated. Use Z_CLEARANCE_DEPLOY_PROBE and Z_AFTER_PROBING instead."
#elif defined(Z_RAISE_PROBE_DEPLOY_STOW) || defined(Z_RAISE_BETWEEN_PROBINGS)
  #error "Z_RAISE_PROBE_DEPLOY_STOW and Z_RAISE_BETWEEN_PROBINGS are now Z_CLEARANCE_DEPLOY_PROBE and Z_CLEARANCE_BETWEEN_PROBES. Please update your configuration."
#elif defined(Z_PROBE_DEPLOY_HEIGHT) || defined(Z_PROBE_TRAVEL_HEIGHT)
  #error "Z_PROBE_DEPLOY_HEIGHT and Z_PROBE_TRAVEL_HEIGHT are now Z_CLEARANCE_DEPLOY_PROBE and Z_CLEARANCE_BETWEEN_PROBES. Please update your configuration."
#elif defined(MANUAL_BED_LEVELING)
  #error "MANUAL_BED_LEVELING is now LCD_BED_LEVELING. Please update your configuration."
#elif defined(MESH_HOME_SEARCH_Z)
  #error "MESH_HOME_SEARCH_Z is now LCD_PROBE_Z_RANGE. Please update your configuration."
#elif defined(MANUAL_PROBE_Z_RANGE)
  #error "MANUAL_PROBE_Z_RANGE is now LCD_PROBE_Z_RANGE. Please update your configuration."
#elif !defined(MIN_STEPS_PER_SEGMENT)
  #error Please replace "const int dropsegments" with "#define MIN_STEPS_PER_SEGMENT" (and increase by 1) in Configuration_adv.h.
#elif MIN_STEPS_PER_SEGMENT <= 0
  #error "MIN_STEPS_PER_SEGMENT must be at least 1. Please update your Configuration_adv.h."
#elif defined(PREVENT_DANGEROUS_EXTRUDE)
  #error "PREVENT_DANGEROUS_EXTRUDE is now PREVENT_COLD_EXTRUSION. Please update your configuration."
#elif defined(SCARA)
  #error "SCARA is now MORGAN_SCARA. Please update your configuration."
#elif defined(ENABLE_AUTO_BED_LEVELING)
  #error "ENABLE_AUTO_BED_LEVELING is deprecated. Specify AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR, or AUTO_BED_LEVELING_3POINT."
#elif defined(AUTO_BED_LEVELING_FEATURE)
  #error "AUTO_BED_LEVELING_FEATURE is deprecated. Specify AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR, or AUTO_BED_LEVELING_3POINT."
#elif defined(ABL_GRID_POINTS)
  #error "ABL_GRID_POINTS is now GRID_MAX_POINTS_X and GRID_MAX_POINTS_Y. Please update your configuration."
#elif defined(ABL_GRID_POINTS_X) || defined(ABL_GRID_POINTS_Y)
  #error "ABL_GRID_POINTS_[XY] is now GRID_MAX_POINTS_[XY]. Please update your configuration."
#elif defined(ABL_GRID_MAX_POINTS_X) || defined(ABL_GRID_MAX_POINTS_Y)
  #error "ABL_GRID_MAX_POINTS_[XY] is now GRID_MAX_POINTS_[XY]. Please update your configuration."
#elif defined(MESH_NUM_X_POINTS) || defined(MESH_NUM_Y_POINTS)
  #error "MESH_NUM_[XY]_POINTS is now GRID_MAX_POINTS_[XY]. Please update your configuration."
#elif defined(UBL_MESH_NUM_X_POINTS) || defined(UBL_MESH_NUM_Y_POINTS)
  #error "UBL_MESH_NUM_[XY]_POINTS is now GRID_MAX_POINTS_[XY]. Please update your configuration."
#elif defined(UBL_G26_MESH_VALIDATION)
  #error "UBL_G26_MESH_VALIDATION is now G26_MESH_VALIDATION. Please update your configuration."
#elif defined(UBL_MESH_EDIT_ENABLED)
  #error "UBL_MESH_EDIT_ENABLED is now G26_MESH_VALIDATION. Please update your configuration."
#elif defined(UBL_MESH_EDITING)
  #error "UBL_MESH_EDITING is now G26_MESH_VALIDATION. Please update your configuration."
#elif defined(BLTOUCH_HEATERS_OFF)
  #error "BLTOUCH_HEATERS_OFF is now PROBING_HEATERS_OFF. Please update your configuration."
#elif defined(BLTOUCH_V3)
  #error "BLTOUCH_V3 is obsolete. Please update your configuration."
#elif defined(BLTOUCH_FORCE_OPEN_DRAIN_MODE)
  #error "BLTOUCH_FORCE_OPEN_DRAIN_MODE is obsolete. Please update your configuration."
#elif defined(BEEPER)
  #error "BEEPER is now BEEPER_PIN. Please update your pins definitions."
#elif defined(SDCARDDETECT)
  #error "SDCARDDETECT is now SD_DETECT_PIN. Please update your pins definitions."
#elif defined(STAT_LED_RED) || defined(STAT_LED_BLUE)
  #error "STAT_LED_RED/STAT_LED_BLUE are now STAT_LED_RED_PIN/STAT_LED_BLUE_PIN. Please update your pins definitions."
#elif defined(LCD_PIN_BL)
  #error "LCD_PIN_BL is now LCD_BACKLIGHT_PIN. Please update your pins definitions."
#elif defined(LCD_PIN_RESET)
  #error "LCD_PIN_RESET is now LCD_RESET_PIN. Please update your pins definitions."
#elif defined(EXTRUDER_0_AUTO_FAN_PIN) || defined(EXTRUDER_1_AUTO_FAN_PIN) || defined(EXTRUDER_2_AUTO_FAN_PIN) || defined(EXTRUDER_3_AUTO_FAN_PIN)
  #error "EXTRUDER_[0123]_AUTO_FAN_PIN is now E[0123]_AUTO_FAN_PIN. Please update your Configuration_adv.h."
#elif defined(min_software_endstops) || defined(max_software_endstops)
  #error "(min|max)_software_endstops are now (MIN|MAX)_SOFTWARE_ENDSTOPS. Please update your configuration."
#elif ENABLED(Z_PROBE_SLED) && defined(SLED_PIN)
  #error "Replace SLED_PIN with SOL1_PIN (applies to both Z_PROBE_SLED and SOLENOID_PROBE)."
#elif defined(CONTROLLERFAN_PIN)
  #error "CONTROLLERFAN_PIN is now CONTROLLER_FAN_PIN, enabled with USE_CONTROLLER_FAN. Please update your Configuration_adv.h."
#elif defined(MIN_RETRACT)
  #error "MIN_RETRACT is now MIN_AUTORETRACT and MAX_AUTORETRACT. Please update your Configuration_adv.h."
#elif defined(ADVANCE)
  #error "ADVANCE was removed in Marlin 1.1.6. Please use LIN_ADVANCE."
#elif defined(LIN_ADVANCE_E_D_RATIO)
  #error "LIN_ADVANCE (1.5) no longer uses LIN_ADVANCE_E_D_RATIO. Check your configuration."
#elif defined(NEOPIXEL_RGBW_LED)
  #error "NEOPIXEL_RGBW_LED is now NEOPIXEL_LED. Please update your configuration."
#elif ENABLED(DELTA) && defined(DELTA_PROBEABLE_RADIUS)
  #error "Remove DELTA_PROBEABLE_RADIUS and use MIN_PROBE_EDGE to inset the probe area instead."
#elif defined(UBL_MESH_INSET)
  #error "UBL_MESH_INSET is now just MESH_INSET. Please update your configuration."
#elif defined(UBL_MESH_MIN_X) || defined(UBL_MESH_MIN_Y) || defined(UBL_MESH_MAX_X) || defined(UBL_MESH_MAX_Y)
  #error "UBL_MESH_(MIN|MAX)_[XY] is now just MESH_(MIN|MAX)_[XY]. Please update your configuration."
#elif defined(ABL_PROBE_PT_1_X) || defined(ABL_PROBE_PT_1_Y) || defined(ABL_PROBE_PT_2_X) || defined(ABL_PROBE_PT_2_Y) || defined(ABL_PROBE_PT_3_X) || defined(ABL_PROBE_PT_3_Y)
  #error "ABL_PROBE_PT_[123]_[XY] is now PROBE_PT_[123]_[XY]. Please update your configuration."
#elif defined(UBL_PROBE_PT_1_X) || defined(UBL_PROBE_PT_1_Y) || defined(UBL_PROBE_PT_2_X) || defined(UBL_PROBE_PT_2_Y) || defined(UBL_PROBE_PT_3_X) || defined(UBL_PROBE_PT_3_Y)
  #error "UBL_PROBE_PT_[123]_[XY] is now PROBE_PT_[123]_[XY]. Please update your configuration."
#elif defined(ENABLE_MESH_EDIT_GFX_OVERLAY)
  #error "ENABLE_MESH_EDIT_GFX_OVERLAY is now MESH_EDIT_GFX_OVERLAY. Please update your configuration."
#elif defined(BABYSTEP_ZPROBE_GFX_REVERSE)
  #error "BABYSTEP_ZPROBE_GFX_REVERSE is now set by OVERLAY_GFX_REVERSE. Please update your configurations."
#elif defined(UBL_GRANULAR_SEGMENTATION_FOR_CARTESIAN)
  #error "UBL_GRANULAR_SEGMENTATION_FOR_CARTESIAN is now SEGMENT_LEVELED_MOVES. Please update your configuration."
#elif HAS_PID_HEATING && (defined(K1) || !defined(PID_K1))
  #error "K1 is now PID_K1. Please update your configuration."
#elif defined(PROBE_DOUBLE_TOUCH)
  #error "PROBE_DOUBLE_TOUCH is now MULTIPLE_PROBING. Please update your configuration."
#elif defined(ANET_KEYPAD_LCD)
  #error "ANET_KEYPAD_LCD is now ZONESTAR_LCD. Please update your configuration."
#elif defined(LCD_I2C_SAINSMART_YWROBOT)
  #error "LCD_I2C_SAINSMART_YWROBOT is now LCD_SAINSMART_I2C_(1602|2004). Please update your configuration."
#elif defined(MEASURED_LOWER_LIMIT) || defined(MEASURED_UPPER_LIMIT)
  #error "MEASURED_(UPPER|LOWER)_LIMIT is now FILWIDTH_ERROR_MARGIN. Please update your configuration."
#elif defined(HAVE_TMCDRIVER)
  #error "HAVE_TMCDRIVER is now [AXIS]_DRIVER_TYPE TMC26X. Please update your Configuration.h."
#elif defined(STEALTHCHOP)
  #error "STEALTHCHOP is now STEALTHCHOP_(XY|Z|E). Please update your Configuration_adv.h."
#elif defined(HAVE_TMC26X)
  #error "HAVE_TMC26X is now [AXIS]_DRIVER_TYPE TMC26X. Please update your Configuration.h."
#elif defined(HAVE_TMC2130)
  #error "HAVE_TMC2130 is now [AXIS]_DRIVER_TYPE TMC2130. Please update your Configuration.h."
#elif defined(HAVE_L6470DRIVER)
  #error "HAVE_L6470DRIVER is now [AXIS]_DRIVER_TYPE L6470. Please update your Configuration.h."
#elif defined(X_IS_TMC) || defined(X2_IS_TMC) || defined(Y_IS_TMC) || defined(Y2_IS_TMC) || defined(Z_IS_TMC) || defined(Z2_IS_TMC) || defined(Z3_IS_TMC) \
   || defined(E0_IS_TMC) || defined(E1_IS_TMC) || defined(E2_IS_TMC) || defined(E3_IS_TMC) || defined(E4_IS_TMC) || defined(E5_IS_TMC)
  #error "[AXIS]_IS_TMC is now [AXIS]_DRIVER_TYPE TMC26X. Please update your Configuration.h."
#elif defined(X_IS_TMC26X) || defined(X2_IS_TMC26X) || defined(Y_IS_TMC26X) || defined(Y2_IS_TMC26X) || defined(Z_IS_TMC26X) || defined(Z2_IS_TMC26X) || defined(Z3_IS_TMC26X) \
   || defined(E0_IS_TMC26X) || defined(E1_IS_TMC26X) || defined(E2_IS_TMC26X) || defined(E3_IS_TMC26X) || defined(E4_IS_TMC26X) || defined(E5_IS_TMC26X)
  #error "[AXIS]_IS_TMC26X is now [AXIS]_DRIVER_TYPE TMC26X. Please update your Configuration.h."
#elif defined(X_IS_TMC2130) || defined(X2_IS_TMC2130) || defined(Y_IS_TMC2130) || defined(Y2_IS_TMC2130) || defined(Z_IS_TMC2130) || defined(Z2_IS_TMC2130) || defined(Z3_IS_TMC2130) \
   || defined(E0_IS_TMC2130) || defined(E1_IS_TMC2130) || defined(E2_IS_TMC2130) || defined(E3_IS_TMC2130) || defined(E4_IS_TMC2130) || defined(E5_IS_TMC2130)
  #error "[AXIS]_IS_TMC2130 is now [AXIS]_DRIVER_TYPE TMC2130. Please update your Configuration.h."
#elif defined(X_IS_TMC2208) || defined(X2_IS_TMC2208) || defined(Y_IS_TMC2208) || defined(Y2_IS_TMC2208) || defined(Z_IS_TMC2208) || defined(Z2_IS_TMC2208) || defined(Z3_IS_TMC2208) \
   || defined(E0_IS_TMC2208) || defined(E1_IS_TMC2208) || defined(E2_IS_TMC2208) || defined(E3_IS_TMC2208) || defined(E4_IS_TMC2208) || defined(E5_IS_TMC2208)
  #error "[AXIS]_IS_TMC2208 is now [AXIS]_DRIVER_TYPE TMC2208. Please update your Configuration.h."
#elif defined(X_IS_L6470) || defined(X2_IS_L6470) || defined(Y_IS_L6470) || defined(Y2_IS_L6470) || defined(Z_IS_L6470) || defined(Z2_IS_L6470) || defined(Z3_IS_L6470) \
   || defined(E0_IS_L6470) || defined(E1_IS_L6470) || defined(E2_IS_L6470) || defined(E3_IS_L6470) || defined(E4_IS_L6470) || defined(E5_IS_L6470)
  #error "[AXIS]_IS_L6470 is now [AXIS]_DRIVER_TYPE L6470. Please update your Configuration.h."
#elif defined(AUTOMATIC_CURRENT_CONTROL)
  #error "AUTOMATIC_CURRENT_CONTROL is now MONITOR_DRIVER_STATUS. Please update your configuration."
#elif defined(FILAMENT_CHANGE_LOAD_LENGTH)
  #error "FILAMENT_CHANGE_LOAD_LENGTH is now FILAMENT_CHANGE_FAST_LOAD_LENGTH. Please update your configuration."
#elif ENABLED(LEVEL_BED_CORNERS) && !defined(LEVEL_CORNERS_INSET)
  #error "LEVEL_BED_CORNERS requires a LEVEL_CORNERS_INSET value. Please update your Configuration.h."
#elif defined(BEZIER_JERK_CONTROL)
  #error "BEZIER_JERK_CONTROL is now S_CURVE_ACCELERATION. Please update your configuration."
#elif defined(JUNCTION_DEVIATION_FACTOR)
  #error "JUNCTION_DEVIATION_FACTOR is now JUNCTION_DEVIATION_MM. Please update your configuration."
#elif defined(JUNCTION_ACCELERATION_FACTOR)
  #error "JUNCTION_ACCELERATION_FACTOR is obsolete. Delete it from Configuration_adv.h."
#elif defined(JUNCTION_ACCELERATION)
  #error "JUNCTION_ACCELERATION is obsolete. Delete it from Configuration_adv.h."
#elif defined(MAX7219_DEBUG_STEPPER_HEAD)
  #error "MAX7219_DEBUG_STEPPER_HEAD is now MAX7219_DEBUG_PLANNER_HEAD. Please update your configuration."
#elif defined(MAX7219_DEBUG_STEPPER_TAIL)
  #error "MAX7219_DEBUG_STEPPER_TAIL is now MAX7219_DEBUG_PLANNER_TAIL. Please update your configuration."
#elif defined(MAX7219_DEBUG_STEPPER_QUEUE)
  #error "MAX7219_DEBUG_STEPPER_QUEUE is now MAX7219_DEBUG_PLANNER_QUEUE. Please update your configuration."
#elif defined(ENDSTOP_NOISE_FILTER)
  #error "ENDSTOP_NOISE_FILTER is now ENDSTOP_NOISE_THRESHOLD [2-7]. Please update your configuration."
#elif defined(RETRACT_ZLIFT)
  #error "RETRACT_ZLIFT is now RETRACT_ZRAISE. Please update your Configuration_adv.h."
#elif defined(TOOLCHANGE_PARK_ZLIFT) || defined(TOOLCHANGE_UNPARK_ZLIFT)
  #error "TOOLCHANGE_PARK_ZLIFT and TOOLCHANGE_UNPARK_ZLIFT are now TOOLCHANGE_ZRAISE. Please update your configuration."
#elif defined(SINGLENOZZLE_TOOLCHANGE_ZRAISE)
  #error "SINGLENOZZLE_TOOLCHANGE_ZRAISE is now TOOLCHANGE_ZRAISE. Please update your configuration."
#elif defined(SINGLENOZZLE_SWAP_LENGTH)
  #error "SINGLENOZZLE_SWAP_LENGTH is now TOOLCHANGE_FIL_SWAP_LENGTH. Please update your configuration."
#elif defined(SINGLENOZZLE_SWAP_RETRACT_SPEED)
  #error "SINGLENOZZLE_SWAP_RETRACT_SPEED is now TOOLCHANGE_FIL_SWAP_RETRACT_SPEED. Please update your configuration."
#elif defined(SINGLENOZZLE_SWAP_PRIME_SPEED)
  #error "SINGLENOZZLE_SWAP_PRIME_SPEED is now TOOLCHANGE_FIL_SWAP_PRIME_SPEED. Please update your configuration."
#elif defined(SINGLENOZZLE_SWAP_PARK)
  #error "SINGLENOZZLE_SWAP_PARK is now TOOLCHANGE_PARK. Please update your configuration."
#elif defined(SINGLENOZZLE_TOOLCHANGE_XY)
  #error "SINGLENOZZLE_TOOLCHANGE_XY is now TOOLCHANGE_PARK_XY. Please update your configuration."
#elif defined(SINGLENOZZLE_PARK_XY_FEEDRATE)
  #error "SINGLENOZZLE_PARK_XY_FEEDRATE is now TOOLCHANGE_PARK_XY_FEEDRATE. Please update your configuration."
#elif defined(PARKING_EXTRUDER_SECURITY_RAISE)
  #error "PARKING_EXTRUDER_SECURITY_RAISE is now TOOLCHANGE_ZRAISE. Please update your configuration."
#elif defined(SWITCHING_TOOLHEAD_SECURITY_RAISE)
  #error "SWITCHING_TOOLHEAD_SECURITY_RAISE is now TOOLCHANGE_ZRAISE. Please update your configuration."
#elif defined(G0_FEEDRATE) && G0_FEEDRATE == 0
  #error "G0_FEEDRATE is now used to set the G0 feedrate. Please update your configuration."
#elif defined(MBL_Z_STEP)
  #error "MBL_Z_STEP is now MESH_EDIT_Z_STEP. Please update your configuration."
#elif defined(CHDK)
  #error "CHDK is now CHDK_PIN. Please update your Configuration_adv.h."
#elif defined(MAX6675_SS)
  #error "MAX6675_SS is now MAX6675_SS_PIN. Please update your configuration and/or pins."
#elif defined(MAX6675_SS2)
  #error "MAX6675_SS2 is now MAX6675_SS2_PIN. Please update your configuration and/or pins."
#elif defined(SPINDLE_LASER_ENABLE_PIN)
  #error "SPINDLE_LASER_ENABLE_PIN is now SPINDLE_LASER_ENA_PIN. Please update your configuration and/or pins."
#elif defined(CHAMBER_HEATER_PIN)
  #error "CHAMBER_HEATER_PIN is now HEATER_CHAMBER_PIN. Please update your configuration and/or pins."
#elif defined(TMC_Z_CALIBRATION)
  #error "TMC_Z_CALIBRATION has been deprecated in favor of Z_STEPPER_AUTO_ALIGN. Please update your configuration."
#elif defined(Z_MIN_PROBE_ENDSTOP)
  #error "Z_MIN_PROBE_ENDSTOP is no longer required. Please remove it from Configuration.h."
#elif defined(DUAL_NOZZLE_DUPLICATION_MODE)
  #error "DUAL_NOZZLE_DUPLICATION_MODE is now MULTI_NOZZLE_DUPLICATION. Please update your configuration."
#elif defined(MENU_ITEM_CASE_LIGHT)
  #error "MENU_ITEM_CASE_LIGHT is now CASE_LIGHT_MENU. Please update your configuration."
#elif defined(ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED)
  #error "ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED is now SD_ABORT_ON_ENDSTOP_HIT. Please update your Configuration_adv.h."
#endif

#define BOARD_MKS_13     -47
#define BOARD_TRIGORILLA -343
#define BOARD_RURAMPS4D  -1550
#define BOARD_FORMBOT_TREX2 -81
#if MB(MKS_13)
  #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
#elif MB(TRIGORILLA)
  #error "BOARD_TRIGORILLA has been renamed BOARD_TRIGORILLA_13. Please update your configuration."
#elif MB(RURAMPS4D)
  #error "BOARD_RURAMPS4D has been renamed BOARD_RURAMPS4D_11. Please update your configuration."
#elif MB(FORMBOT_TREX2)
  #error "FORMBOT_TREX2 has been renamed BOARD_FORMBOT_TREX2PLUS. Please update your configuration."
#endif
#undef BOARD_MKS_13
#undef BOARD_TRIGORILLA
#undef BOARD_RURAMPS4D
#undef BOARD_FORMBOT_TREX2

/**
 * Marlin release, version and default string
 */
#ifndef SHORT_BUILD_VERSION
  #error "SHORT_BUILD_VERSION must be specified."
#elif !defined(DETAILED_BUILD_VERSION)
  #error "BUILD_VERSION must be specified."
#elif !defined(STRING_DISTRIBUTION_DATE)
  #error "STRING_DISTRIBUTION_DATE must be specified."
#elif !defined(PROTOCOL_VERSION)
  #error "PROTOCOL_VERSION must be specified."
#elif !defined(MACHINE_NAME)
  #error "MACHINE_NAME must be specified."
#elif !defined(SOURCE_CODE_URL)
  #error "SOURCE_CODE_URL must be specified."
#elif !defined(DEFAULT_MACHINE_UUID)
  #error "DEFAULT_MACHINE_UUID must be specified."
#elif !defined(WEBSITE_URL)
  #error "WEBSITE_URL must be specified."
#endif

/**
 * Serial
 */
#if !(defined(__AVR__) && defined(USBCON))
  #if ENABLED(SERIAL_XON_XOFF) && RX_BUFFER_SIZE < 1024
    #error "SERIAL_XON_XOFF requires RX_BUFFER_SIZE >= 1024 for reliable transfers without drops."
  #elif RX_BUFFER_SIZE && (RX_BUFFER_SIZE < 2 || !IS_POWER_OF_2(RX_BUFFER_SIZE))
    #error "RX_BUFFER_SIZE must be a power of 2 greater than 1."
  #elif TX_BUFFER_SIZE && (TX_BUFFER_SIZE < 2 || TX_BUFFER_SIZE > 256 || !IS_POWER_OF_2(TX_BUFFER_SIZE))
    #error "TX_BUFFER_SIZE must be 0 or a power of 2 between 1 and 256."
  #endif
#elif ANY(SERIAL_XON_XOFF, SERIAL_STATS_MAX_RX_QUEUED, SERIAL_STATS_DROPPED_RX)
  #error "SERIAL_XON_XOFF and SERIAL_STATS_* features not supported on USB-native AVR devices."
#endif

#if SERIAL_PORT > 7
  #error "Set SERIAL_PORT to the port on your board. Usually this is 0."
#endif

#if defined(SERIAL_PORT_2) && NUM_SERIAL < 2
  #error "SERIAL_PORT_2 is not supported for your MOTHERBOARD. Disable it to continue."
#endif

/**
 * Dual / Triple Stepper Drivers
 */
#if BOTH(X_DUAL_STEPPER_DRIVERS, DUAL_X_CARRIAGE)
  #error "DUAL_X_CARRIAGE is not compatible with X_DUAL_STEPPER_DRIVERS."
#elif ENABLED(X_DUAL_STEPPER_DRIVERS) && !(HAS_X2_ENABLE && HAS_X2_STEP && HAS_X2_DIR)
  #error "X_DUAL_STEPPER_DRIVERS requires X2 pins (and an extra E plug)."
#elif ENABLED(Y_DUAL_STEPPER_DRIVERS) && !(HAS_Y2_ENABLE && HAS_Y2_STEP && HAS_Y2_DIR)
  #error "Y_DUAL_STEPPER_DRIVERS requires Y2 pins (and an extra E plug)."
#elif ENABLED(Z_DUAL_STEPPER_DRIVERS)
  #if ENABLED(Z_TRIPLE_STEPPER_DRIVERS)
    #error "Please select either Z_TRIPLE_STEPPER_DRIVERS or Z_DUAL_STEPPER_DRIVERS, not both."
  #elif !(HAS_Z2_ENABLE && HAS_Z2_STEP && HAS_Z2_DIR)
    #error "Z_DUAL_STEPPER_DRIVERS requires Z2 pins (and an extra E plug)."
  #endif
#elif ENABLED(Z_TRIPLE_STEPPER_DRIVERS) && !(HAS_Z2_ENABLE && HAS_Z2_STEP && HAS_Z2_DIR && HAS_Z3_ENABLE && HAS_Z3_STEP && HAS_Z3_DIR)
  #error "Z_TRIPLE_STEPPER_DRIVERS requires Z3 pins (and two extra E plugs)."
#endif

/**
 * Validate that the bed size fits
 */
static_assert(X_MAX_LENGTH >= X_BED_SIZE, "Movement bounds (X_MIN_POS, X_MAX_POS) are too narrow to contain X_BED_SIZE.");
static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS) are too narrow to contain Y_BED_SIZE.");

/**
 * Granular software endstops (Marlin >= 1.1.7)
 */
#if ENABLED(MIN_SOFTWARE_ENDSTOPS) && DISABLED(MIN_SOFTWARE_ENDSTOP_Z)
  #if IS_KINEMATIC
    #error "MIN_SOFTWARE_ENDSTOPS on DELTA/SCARA also requires MIN_SOFTWARE_ENDSTOP_Z."
  #elif DISABLED(MIN_SOFTWARE_ENDSTOP_X, MIN_SOFTWARE_ENDSTOP_Y)
    #error "MIN_SOFTWARE_ENDSTOPS requires at least one of the MIN_SOFTWARE_ENDSTOP_[XYZ] options."
  #endif
#endif

#if ENABLED(MAX_SOFTWARE_ENDSTOPS) && DISABLED(MAX_SOFTWARE_ENDSTOP_Z)
  #if IS_KINEMATIC
    #error "MAX_SOFTWARE_ENDSTOPS on DELTA/SCARA also requires MAX_SOFTWARE_ENDSTOP_Z."
  #elif DISABLED(MAX_SOFTWARE_ENDSTOP_X, MAX_SOFTWARE_ENDSTOP_Y)
    #error "MAX_SOFTWARE_ENDSTOPS requires at least one of the MAX_SOFTWARE_ENDSTOP_[XYZ] options."
  #endif
#endif

#if !defined(TARGET_LPC1768) && ( \
     ENABLED(ENDSTOPPULLDOWNS) \
  || ENABLED(ENDSTOPPULLDOWN_XMAX) \
  || ENABLED(ENDSTOPPULLDOWN_YMAX) \
  || ENABLED(ENDSTOPPULLDOWN_ZMAX) \
  || ENABLED(ENDSTOPPULLDOWN_XMIN) \
  || ENABLED(ENDSTOPPULLDOWN_YMIN) \
  || ENABLED(ENDSTOPPULLDOWN_ZMIN) )
  #error "PULLDOWN pin mode is not available on the selected board."
#endif

#if BOTH(ENDSTOPPULLUPS, ENDSTOPPULLDOWNS)
  #error "Enable only one of ENDSTOPPULLUPS or ENDSTOPPULLDOWNS."
#elif BOTH(FIL_RUNOUT_PULLUP, FIL_RUNOUT_PULLDOWN)
  #error "Enable only one of FIL_RUNOUT_PULLUP or FIL_RUNOUT_PULLDOWN."
#elif BOTH(ENDSTOPPULLUP_XMAX, ENDSTOPPULLDOWN_XMAX)
  #error "Enable only one of ENDSTOPPULLUP_X_MAX or ENDSTOPPULLDOWN_X_MAX."
#elif BOTH(ENDSTOPPULLUP_YMAX, ENDSTOPPULLDOWN_YMAX)
  #error "Enable only one of ENDSTOPPULLUP_Y_MAX or ENDSTOPPULLDOWN_Y_MAX."
#elif BOTH(ENDSTOPPULLUP_ZMAX, ENDSTOPPULLDOWN_ZMAX)
  #error "Enable only one of ENDSTOPPULLUP_Z_MAX or ENDSTOPPULLDOWN_Z_MAX."
#elif BOTH(ENDSTOPPULLUP_XMIN, ENDSTOPPULLDOWN_XMIN)
  #error "Enable only one of ENDSTOPPULLUP_X_MIN or ENDSTOPPULLDOWN_X_MIN."
#elif BOTH(ENDSTOPPULLUP_YMIN, ENDSTOPPULLDOWN_YMIN)
  #error "Enable only one of ENDSTOPPULLUP_Y_MIN or ENDSTOPPULLDOWN_Y_MIN."
#elif BOTH(ENDSTOPPULLUP_ZMIN, ENDSTOPPULLDOWN_ZMIN)
  #error "Enable only one of ENDSTOPPULLUP_Z_MIN or ENDSTOPPULLDOWN_Z_MIN."
#endif

/**
 * LCD Info Screen Style
 */
#if LCD_INFO_SCREEN_STYLE > 0
  #if HAS_GRAPHICAL_LCD || LCD_WIDTH < 20 || LCD_HEIGHT < 4
    #error "Alternative LCD_INFO_SCREEN_STYLE requires 20x4 Character LCD."
  #elif LCD_INFO_SCREEN_STYLE > 1
    #error "LCD_INFO_SCREEN_STYLE only has options 0 and 1 at this time."
  #endif
#endif

/**
 * Progress Bar
 */
#if ENABLED(LCD_PROGRESS_BAR)
  #if DISABLED(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
    #error "LCD_PROGRESS_BAR requires SDSUPPORT or LCD_SET_PROGRESS_MANUALLY."
  #elif !HAS_CHARACTER_LCD
    #error "LCD_PROGRESS_BAR requires a character LCD."
  #elif HAS_GRAPHICAL_LCD
    #error "LCD_PROGRESS_BAR does not apply to graphical displays."
  #elif ENABLED(FILAMENT_LCD_DISPLAY)
    #error "LCD_PROGRESS_BAR and FILAMENT_LCD_DISPLAY are not fully compatible. Comment out this line to use both."
  #elif PROGRESS_MSG_EXPIRE < 0
    #error "PROGRESS_MSG_EXPIRE must be greater than or equal to 0."
  #endif
#elif ENABLED(LCD_SET_PROGRESS_MANUALLY) && !HAS_GRAPHICAL_LCD && DISABLED(EXTENSIBLE_UI)
  #error "LCD_SET_PROGRESS_MANUALLY requires LCD_PROGRESS_BAR, Graphical LCD, or EXTENSIBLE_UI."
#endif

/**
 * Custom Boot and Status screens
 */
#if DISABLED(DOGLCD) && EITHER(SHOW_CUSTOM_BOOTSCREEN, CUSTOM_STATUS_SCREEN_IMAGE)
  #error "Graphical LCD is required for SHOW_CUSTOM_BOOTSCREEN and CUSTOM_STATUS_SCREEN_IMAGE."
#endif

/**
 * LCD Lightweight Screen Style
 */
#if ENABLED(LIGHTWEIGHT_UI) && DISABLED(U8GLIB_ST7920)
  #error "LIGHTWEIGHT_UI requires a U8GLIB_ST7920-based display."
#endif

/**
 * SD File Sorting
 */
#if ENABLED(SDCARD_SORT_ALPHA)
  #if SDSORT_LIMIT > 256
    #error "SDSORT_LIMIT must be 256 or smaller."
  #elif SDSORT_LIMIT < 10
    #error "SDSORT_LIMIT should be greater than 9 to be useful."
  #elif DISABLED(SDSORT_USES_RAM)
    #if ENABLED(SDSORT_DYNAMIC_RAM)
      #error "SDSORT_DYNAMIC_RAM requires SDSORT_USES_RAM (which reads the directory into RAM)."
    #elif ENABLED(SDSORT_CACHE_NAMES)
      #error "SDSORT_CACHE_NAMES requires SDSORT_USES_RAM (which reads the directory into RAM)."
    #endif
  #endif

  #if ENABLED(SDSORT_CACHE_NAMES) && DISABLED(SDSORT_DYNAMIC_RAM)
    #if SDSORT_CACHE_VFATS < 2
      #error "SDSORT_CACHE_VFATS must be 2 or greater!"
    #elif SDSORT_CACHE_VFATS > MAX_VFAT_ENTRIES
      #undef SDSORT_CACHE_VFATS
      #define SDSORT_CACHE_VFATS MAX_VFAT_ENTRIES
      #warning "SDSORT_CACHE_VFATS was reduced to MAX_VFAT_ENTRIES!"
    #endif
  #endif
#endif

#if defined(EVENT_GCODE_SD_STOP) && DISABLED(NOZZLE_PARK_FEATURE)
  static_assert(nullptr == strstr(EVENT_GCODE_SD_STOP, "G27"), "NOZZLE_PARK_FEATURE is required to use G27 in EVENT_GCODE_SD_STOP.");
#endif

/**
 * I2C Position Encoders
 */
#if ENABLED(I2C_POSITION_ENCODERS)
  #if DISABLED(BABYSTEPPING) || DISABLED(BABYSTEP_XY)
    #error "I2C_POSITION_ENCODERS requires BABYSTEPPING and BABYSTEP_XY."
  #elif !WITHIN(I2CPE_ENCODER_CNT, 1, 5)
    #error "I2CPE_ENCODER_CNT must be between 1 and 5."
  #endif
#endif

/**
 * Babystepping
 */
#if ENABLED(BABYSTEPPING)
  #if ENABLED(SCARA)
    #error "BABYSTEPPING is not implemented for SCARA yet."
  #elif BOTH(DELTA, BABYSTEP_XY)
    #error "BABYSTEPPING only implemented for Z axis on deltabots."
  #elif BOTH(BABYSTEP_ZPROBE_OFFSET, MESH_BED_LEVELING)
    #error "MESH_BED_LEVELING and BABYSTEP_ZPROBE_OFFSET is not a valid combination"
  #elif ENABLED(BABYSTEP_ZPROBE_OFFSET) && !HAS_BED_PROBE
    #error "BABYSTEP_ZPROBE_OFFSET requires a probe."
  #elif ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) && DISABLED(DOGLCD)
    #error "BABYSTEP_ZPROBE_GFX_OVERLAY requires a Graphical LCD."
  #elif ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY) && DISABLED(BABYSTEP_ZPROBE_OFFSET)
    #error "BABYSTEP_ZPROBE_GFX_OVERLAY requires a BABYSTEP_ZPROBE_OFFSET."
  #elif ENABLED(BABYSTEP_HOTEND_Z_OFFSET) && !HAS_HOTEND_OFFSET
    #error "BABYSTEP_HOTEND_Z_OFFSET requires 2 or more HOTENDS."
  #elif BOTH(BABYSTEP_ALWAYS_AVAILABLE, MOVE_Z_WHEN_IDLE)
    #error "BABYSTEP_ALWAYS_AVAILABLE and MOVE_Z_WHEN_IDLE are incompatible."
  #endif
#endif

/**
 * Filament Runout needs one or more pins and either SD Support or Auto print start detection
 */
#if HAS_FILAMENT_SENSOR
  #if !PIN_EXISTS(FIL_RUNOUT)
    #error "FILAMENT_RUNOUT_SENSOR requires FIL_RUNOUT_PIN."
  #elif NUM_RUNOUT_SENSORS > E_STEPPERS
    #error "NUM_RUNOUT_SENSORS cannot exceed the number of E steppers."
  #elif NUM_RUNOUT_SENSORS > 1 && !PIN_EXISTS(FIL_RUNOUT2)
    #error "FILAMENT_RUNOUT_SENSOR with NUM_RUNOUT_SENSORS > 1 requires FIL_RUNOUT2_PIN."
  #elif NUM_RUNOUT_SENSORS > 2 && !PIN_EXISTS(FIL_RUNOUT3)
    #error "FILAMENT_RUNOUT_SENSOR with NUM_RUNOUT_SENSORS > 2 requires FIL_RUNOUT3_PIN."
  #elif NUM_RUNOUT_SENSORS > 3 && !PIN_EXISTS(FIL_RUNOUT4)
    #error "FILAMENT_RUNOUT_SENSOR with NUM_RUNOUT_SENSORS > 3 requires FIL_RUNOUT4_PIN."
  #elif NUM_RUNOUT_SENSORS > 4 && !PIN_EXISTS(FIL_RUNOUT5)
    #error "FILAMENT_RUNOUT_SENSOR with NUM_RUNOUT_SENSORS > 4 requires FIL_RUNOUT5_PIN."
  #elif NUM_RUNOUT_SENSORS > 5 && !PIN_EXISTS(FIL_RUNOUT6)
    #error "FILAMENT_RUNOUT_SENSOR with NUM_RUNOUT_SENSORS > 5 requires FIL_RUNOUT6_PIN."
  #elif DISABLED(SDSUPPORT, PRINTJOB_TIMER_AUTOSTART)
    #error "FILAMENT_RUNOUT_SENSOR requires SDSUPPORT or PRINTJOB_TIMER_AUTOSTART."
  #elif FILAMENT_RUNOUT_DISTANCE_MM < 0
    #error "FILAMENT_RUNOUT_DISTANCE_MM must be greater than or equal to zero."
  #elif DISABLED(ADVANCED_PAUSE_FEATURE)
    static_assert(nullptr == strstr(FILAMENT_RUNOUT_SCRIPT, "M600"), "ADVANCED_PAUSE_FEATURE is required to use M600 with FILAMENT_RUNOUT_SENSOR.");
  #endif
#endif

/**
 * Advanced Pause
 */
#if ENABLED(ADVANCED_PAUSE_FEATURE)
  #if !HAS_RESUME_CONTINUE
    #error "ADVANCED_PAUSE_FEATURE currently requires an LCD controller or EMERGENCY_PARSER."
  #elif ENABLED(EXTRUDER_RUNOUT_PREVENT)
    #error "EXTRUDER_RUNOUT_PREVENT is incompatible with ADVANCED_PAUSE_FEATURE."
  #elif ENABLED(PARK_HEAD_ON_PAUSE) && DISABLED(SDSUPPORT, NEWPANEL, EMERGENCY_PARSER)
    #error "PARK_HEAD_ON_PAUSE requires SDSUPPORT, EMERGENCY_PARSER, or an LCD controller."
  #elif ENABLED(HOME_BEFORE_FILAMENT_CHANGE) && DISABLED(PAUSE_PARK_NO_STEPPER_TIMEOUT)
    #error "HOME_BEFORE_FILAMENT_CHANGE requires PAUSE_PARK_NO_STEPPER_TIMEOUT."
  #elif DISABLED(NOZZLE_PARK_FEATURE)
    #error "ADVANCED_PAUSE_FEATURE requires NOZZLE_PARK_FEATURE."
  #elif ENABLED(PREVENT_LENGTHY_EXTRUDE) && FILAMENT_CHANGE_UNLOAD_LENGTH > EXTRUDE_MAXLENGTH
    #error "FILAMENT_CHANGE_UNLOAD_LENGTH must be less than or equal to EXTRUDE_MAXLENGTH."
  #elif ENABLED(PREVENT_LENGTHY_EXTRUDE) && FILAMENT_CHANGE_SLOW_LOAD_LENGTH > EXTRUDE_MAXLENGTH
    #error "FILAMENT_CHANGE_SLOW_LOAD_LENGTH must be less than or equal to EXTRUDE_MAXLENGTH."
  #elif ENABLED(PREVENT_LENGTHY_EXTRUDE) && FILAMENT_CHANGE_FAST_LOAD_LENGTH > EXTRUDE_MAXLENGTH
    #error "FILAMENT_CHANGE_FAST_LOAD_LENGTH must be less than or equal to EXTRUDE_MAXLENGTH."
  #endif
#endif

#if ENABLED(NOZZLE_PARK_FEATURE)
  constexpr float npp[] = NOZZLE_PARK_POINT;
  static_assert(COUNT(npp) == XYZ, "NOZZLE_PARK_POINT requires X, Y, and Z values.");
#endif

/**
 * Individual axis homing is useless for DELTAS
 */
#if BOTH(INDIVIDUAL_AXIS_HOMING_MENU, DELTA)
  #error "INDIVIDUAL_AXIS_HOMING_MENU is incompatible with DELTA kinematics."
#endif

/**
 * Options only for EXTRUDERS > 1
 */
#if EXTRUDERS > 1

  #if EXTRUDERS > 6
    #error "Marlin supports a maximum of 6 EXTRUDERS."
  #endif

  #if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT)
    #error "EXTRUDERS must be 1 with TEMP_SENSOR_1_AS_REDUNDANT."
  #endif

  #if ENABLED(HEATERS_PARALLEL)
    #error "EXTRUDERS must be 1 with HEATERS_PARALLEL."
  #endif

  #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
    #ifndef TOOLCHANGE_FIL_SWAP_LENGTH
      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_LENGTH. Please update your Configuration."
    #elif !defined(TOOLCHANGE_FIL_SWAP_RETRACT_SPEED)
      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_RETRACT_SPEED. Please update your Configuration."
    #elif !defined(TOOLCHANGE_FIL_SWAP_PRIME_SPEED)
      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_PRIME_SPEED. Please update your Configuration."
    #endif
  #endif
  #if ENABLED(TOOLCHANGE_PARK)
    #ifndef TOOLCHANGE_PARK_XY
      #error "TOOLCHANGE_PARK requires TOOLCHANGE_PARK_XY. Please update your Configuration."
    #elif !defined(TOOLCHANGE_PARK_XY_FEEDRATE)
      #error "TOOLCHANGE_PARK requires TOOLCHANGE_PARK_XY_FEEDRATE. Please update your Configuration."
    #endif
  #endif

  #ifndef TOOLCHANGE_ZRAISE
    #error "TOOLCHANGE_ZRAISE required for EXTRUDERS > 1. Please update your Configuration_adv.h."
  #endif

#elif ENABLED(MK2_MULTIPLEXER)
  #error "MK2_MULTIPLEXER requires 2 or more EXTRUDERS."
#elif ENABLED(SINGLENOZZLE)
  #error "SINGLENOZZLE requires 2 or more EXTRUDERS."
#endif

/**
 * Sanity checking for the Průša MK2 Multiplexer
 */
#ifdef SNMM
  #error "SNMM is now MK2_MULTIPLEXER. Please update your configuration."
#endif

/**
 * A Dual Nozzle carriage with switching servo
 */
#if ENABLED(SWITCHING_NOZZLE)
  #if ENABLED(DUAL_X_CARRIAGE)
    #error "SWITCHING_NOZZLE and DUAL_X_CARRIAGE are incompatible."
  #elif ENABLED(SINGLENOZZLE)
    #error "SWITCHING_NOZZLE and SINGLENOZZLE are incompatible."
  #elif EXTRUDERS != 2
    #error "SWITCHING_NOZZLE requires exactly 2 EXTRUDERS."
  #elif NUM_SERVOS < 1
    #error "SWITCHING_NOZZLE requires NUM_SERVOS >= 1."
  #endif

  #ifndef SWITCHING_NOZZLE_SERVO_NR
    #error "SWITCHING_NOZZLE requires SWITCHING_NOZZLE_SERVO_NR."
  #elif SWITCHING_NOZZLE_SERVO_NR == 0 && !PIN_EXISTS(SERVO0)
    #error "SERVO0_PIN must be defined for your SWITCHING_NOZZLE."
  #elif SWITCHING_NOZZLE_SERVO_NR == 1 && !PIN_EXISTS(SERVO1)
    #error "SERVO1_PIN must be defined for your SWITCHING_NOZZLE."
  #elif SWITCHING_NOZZLE_SERVO_NR == 2 && !PIN_EXISTS(SERVO2)
    #error "SERVO2_PIN must be defined for your SWITCHING_NOZZLE."
  #elif SWITCHING_NOZZLE_SERVO_NR == 3 && !PIN_EXISTS(SERVO3)
    #error "SERVO3_PIN must be defined for your SWITCHING_NOZZLE."
  #endif

  #ifdef SWITCHING_NOZZLE_E1_SERVO_NR
    #if SWITCHING_NOZZLE_E1_SERVO_NR == SWITCHING_NOZZLE_SERVO_NR
      #error "SWITCHING_NOZZLE_E1_SERVO_NR must be different from SWITCHING_NOZZLE_SERVO_NR."
    #elif SWITCHING_NOZZLE_E1_SERVO_NR == 0 && !PIN_EXISTS(SERVO0)
      #error "SERVO0_PIN must be defined for your SWITCHING_NOZZLE."
    #elif SWITCHING_NOZZLE_E1_SERVO_NR == 1 && !PIN_EXISTS(SERVO1)
      #error "SERVO1_PIN must be defined for your SWITCHING_NOZZLE."
    #elif SWITCHING_NOZZLE_E1_SERVO_NR == 2 && !PIN_EXISTS(SERVO2)
      #error "SERVO2_PIN must be defined for your SWITCHING_NOZZLE."
    #elif SWITCHING_NOZZLE_E1_SERVO_NR == 3 && !PIN_EXISTS(SERVO3)
      #error "SERVO3_PIN must be defined for your SWITCHING_NOZZLE."
    #endif
  #endif
#endif

/**
 * Single Stepper Dual Extruder with switching servo
 */
#if ENABLED(SWITCHING_EXTRUDER)
  #if NUM_SERVOS < 1
    #error "SWITCHING_EXTRUDER requires NUM_SERVOS >= 1."
  #elif SWITCHING_EXTRUDER_SERVO_NR == 0 && !PIN_EXISTS(SERVO0)
    #error "SERVO0_PIN must be defined for your SWITCHING_EXTRUDER."
  #elif SWITCHING_EXTRUDER_SERVO_NR == 1 && !PIN_EXISTS(SERVO1)
    #error "SERVO1_PIN must be defined for your SWITCHING_EXTRUDER."
  #elif SWITCHING_EXTRUDER_SERVO_NR == 2 && !PIN_EXISTS(SERVO2)
    #error "SERVO2_PIN must be defined for your SWITCHING_EXTRUDER."
  #elif SWITCHING_EXTRUDER_SERVO_NR == 3 && !PIN_EXISTS(SERVO3)
    #error "SERVO3_PIN must be defined for your SWITCHING_EXTRUDER."
  #endif
  #if EXTRUDERS > 3
    #if NUM_SERVOS < 2
      #error "SWITCHING_EXTRUDER with 4 extruders requires NUM_SERVOS >= 2."
    #elif SWITCHING_EXTRUDER_E23_SERVO_NR == 0 && !PIN_EXISTS(SERVO0)
      #error "SERVO0_PIN must be defined for your SWITCHING_EXTRUDER."
    #elif SWITCHING_EXTRUDER_E23_SERVO_NR == 1 && !PIN_EXISTS(SERVO1)
      #error "SERVO1_PIN must be defined for your SWITCHING_EXTRUDER."
    #elif SWITCHING_EXTRUDER_E23_SERVO_NR == 2 && !PIN_EXISTS(SERVO2)
      #error "SERVO2_PIN must be defined for your SWITCHING_EXTRUDER."
    #elif SWITCHING_EXTRUDER_E23_SERVO_NR == 3 && !PIN_EXISTS(SERVO3)
      #error "SERVO3_PIN must be defined for your SWITCHING_EXTRUDER."
    #elif SWITCHING_EXTRUDER_E23_SERVO_NR == SWITCHING_EXTRUDER_SERVO_NR
      #error "SWITCHING_EXTRUDER_E23_SERVO_NR should be a different extruder from SWITCHING_EXTRUDER_SERVO_NR."
    #endif
  #endif
#endif

/**
 * Mixing Extruder requirements
 */
#if ENABLED(MIXING_EXTRUDER)
  #if EXTRUDERS > 1
    #error "MIXING_EXTRUDER currently only supports one extruder."
  #elif MIXING_STEPPERS < 2
    #error "You must set MIXING_STEPPERS >= 2 for a mixing extruder."
  #elif ENABLED(FILAMENT_SENSOR)
    #error "MIXING_EXTRUDER is incompatible with FILAMENT_SENSOR. Comment out this line to use it anyway."
  #elif ENABLED(SWITCHING_EXTRUDER)
    #error "Please select either MIXING_EXTRUDER or SWITCHING_EXTRUDER, not both."
  #elif ENABLED(SINGLENOZZLE)
    #error "MIXING_EXTRUDER is incompatible with SINGLENOZZLE."
  #endif
#endif

/**
 * Linear Advance 1.5 - Check K value range
 */
#if ENABLED(LIN_ADVANCE)
  static_assert(
    WITHIN(LIN_ADVANCE_K, 0, 10),
    "LIN_ADVANCE_K must be a value from 0 to 10 (Changed in LIN_ADVANCE v1.5, Marlin 1.1.9)."
  );
#endif

/**
 * (Magnetic) Parking Extruder requirements
 */
#if ENABLED(PARKING_EXTRUDER)
  #if ENABLED(DUAL_X_CARRIAGE)
    #error "PARKING_EXTRUDER and DUAL_X_CARRIAGE are incompatible."
  #elif ENABLED(SINGLENOZZLE)
    #error "PARKING_EXTRUDER and SINGLENOZZLE are incompatible."
  #elif ENABLED(EXT_SOLENOID)
    #error "PARKING_EXTRUDER and EXT_SOLENOID are incompatible. (Pins are used twice.)"
  #elif ENABLED(MAGNETIC_PARKING_EXTRUDER)
    #error "Enable only one of PARKING_EXTRUDER and MAGNETIC_PARKING_EXTRUDER."
  #elif EXTRUDERS != 2
    #error "PARKING_EXTRUDER requires exactly 2 EXTRUDERS."
  #elif !PIN_EXISTS(SOL0, SOL1)
    #error "PARKING_EXTRUDER requires SOL0_PIN and SOL1_PIN."
  #elif !defined(PARKING_EXTRUDER_PARKING_X)
    #error "PARKING_EXTRUDER requires PARKING_EXTRUDER_PARKING_X."
  #elif !defined(TOOLCHANGE_ZRAISE)
    #error "PARKING_EXTRUDER requires TOOLCHANGE_ZRAISE."
  #elif TOOLCHANGE_ZRAISE < 0
    #error "TOOLCHANGE_ZRAISE must be 0 or higher."
  #elif !defined(PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE) || !WITHIN(PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE, LOW, HIGH)
    #error "PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE must be defined as HIGH or LOW."
  #elif !defined(PARKING_EXTRUDER_SOLENOIDS_DELAY) || !WITHIN(PARKING_EXTRUDER_SOLENOIDS_DELAY, 0, 2000)
    #error "PARKING_EXTRUDER_SOLENOIDS_DELAY must be between 0 and 2000 (ms)."
  #endif
#elif ENABLED(MAGNETIC_PARKING_EXTRUDER)
  #if ENABLED(DUAL_X_CARRIAGE)
    #error "MAGNETIC_PARKING_EXTRUDER and DUAL_X_CARRIAGE are incompatible."
  #elif ENABLED(SINGLENOZZLE)
    #error "MAGNETIC_PARKING_EXTRUDER and SINGLENOZZLE are incompatible."
  #elif ENABLED(EXT_SOLENOID)
    #error "MAGNETIC_PARKING_EXTRUDER and EXT_SOLENOID are incompatible. (Pins are used twice.)"
  #elif EXTRUDERS != 2
    #error "MAGNETIC_PARKING_EXTRUDER requires exactly 2 EXTRUDERS."
  #elif !defined(PARKING_EXTRUDER_PARKING_X)
    #error "MAGNETIC_PARKING_EXTRUDER requires PARKING_EXTRUDER_PARKING_X."
  #elif !defined(TOOLCHANGE_ZRAISE)
    #error "MAGNETIC_PARKING_EXTRUDER requires TOOLCHANGE_ZRAISE."
  #elif TOOLCHANGE_ZRAISE < 0
    #error "TOOLCHANGE_ZRAISE must be 0 or higher."
  #endif
#endif

/**
 * Switching Toolhead requirements
 */
#if ENABLED(SWITCHING_TOOLHEAD)
  #if ENABLED(DUAL_X_CARRIAGE)
    #error "SWITCHING_TOOLHEAD and DUAL_X_CARRIAGE are incompatible."
  #elif ENABLED(SINGLENOZZLE)
    #error "SWITCHING_TOOLHEAD and SINGLENOZZLE are incompatible."
  #elif ENABLED(PARKING_EXTRUDER)
    #error "SWITCHING_TOOLHEAD and PARKING_EXTRUDER are incompatible."
  #elif !defined(SWITCHING_TOOLHEAD_SERVO_NR)
    #error "SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_SERVO_NR."
  #elif EXTRUDERS < 2
    #error "SWITCHING_TOOLHEAD requires at least 2 EXTRUDERS."
  #elif NUM_SERVOS < (SWITCHING_TOOLHEAD_SERVO_NR - 1)
    #if SWITCHING_TOOLHEAD_SERVO_NR == 0
      #error "A SWITCHING_TOOLHEAD_SERVO_NR of 0 requires NUM_SERVOS >= 1."
    #elif SWITCHING_TOOLHEAD_SERVO_NR == 1
      #error "A SWITCHING_TOOLHEAD_SERVO_NR of 1 requires NUM_SERVOS >= 2."
    #elif SWITCHING_TOOLHEAD_SERVO_NR == 2
      #error "A SWITCHING_TOOLHEAD_SERVO_NR of 2 requires NUM_SERVOS >= 3."
    #elif SWITCHING_TOOLHEAD_SERVO_NR == 3
      #error "A SWITCHING_TOOLHEAD_SERVO_NR of 3 requires NUM_SERVOS >= 4."
    #endif
  #elif !defined(TOOLCHANGE_ZRAISE)
    #error "SWITCHING_TOOLHEAD requires TOOLCHANGE_ZRAISE."
  #elif TOOLCHANGE_ZRAISE < 0
    #error "TOOLCHANGE_ZRAISE must be 0 or higher."
  #endif
#endif

/**
 * Part-Cooling Fan Multiplexer requirements
 */
#if PIN_EXISTS(FANMUX1)
  #if !HAS_FANMUX
    #error "FANMUX0_PIN must be set before FANMUX1_PIN can be set."
  #endif
#elif PIN_EXISTS(FANMUX2)
  #error "FANMUX0_PIN and FANMUX1_PIN must be set before FANMUX2_PIN can be set."
#endif

/**
 * Limited number of servos
 */
#if NUM_SERVOS > NUM_SERVO_PLUGS
  #error "The selected board doesn't support enough servos for your configuration. Reduce NUM_SERVOS."
#endif

/**
 * Servo deactivation depends on servo endstops, switching nozzle, or switching extruder
 */
#if ENABLED(DEACTIVATE_SERVOS_AFTER_MOVE) && !HAS_Z_SERVO_PROBE && !defined(SWITCHING_NOZZLE_SERVO_NR) && !defined(SWITCHING_EXTRUDER_SERVO_NR) && !defined(SWITCHING_TOOLHEAD_SERVO_NR)
  #error "Z_PROBE_SERVO_NR, switching nozzle, switching toolhead or switching extruder is required for DEACTIVATE_SERVOS_AFTER_MOVE."
#endif

/**
 * Required LCD language
 */
#if DISABLED(DOGLCD) && ENABLED(ULTRA_LCD) && !defined(DISPLAY_CHARSET_HD44780)
  #error "You must set DISPLAY_CHARSET_HD44780 to JAPANESE, WESTERN or CYRILLIC for your LCD controller."
#endif

/**
 * Bed Heating Options - PID vs Limit Switching
 */
#if BOTH(PIDTEMPBED, BED_LIMIT_SWITCHING)
  #error "To use BED_LIMIT_SWITCHING you must disable PIDTEMPBED."
#endif

/**
 * Kinematics
 */

/**
 * Allow only one kinematic type to be defined
 */
#if 1 < 0 \
  + ENABLED(DELTA) \
  + ENABLED(MORGAN_SCARA) \
  + ENABLED(MAKERARM_SCARA) \
  + ENABLED(COREXY) \
  + ENABLED(COREXZ) \
  + ENABLED(COREYZ) \
  + ENABLED(COREYX) \
  + ENABLED(COREZX) \
  + ENABLED(COREZY)
  #error "Please enable only one of DELTA, MORGAN_SCARA, MAKERARM_SCARA, COREXY, COREYX, COREXZ, COREZX, COREYZ, or COREZY."
#endif

/**
 * Delta requirements
 */
#if ENABLED(DELTA)
  #if DISABLED(USE_XMAX_PLUG, USE_YMAX_PLUG, USE_ZMAX_PLUG)
    #error "You probably want to use Max Endstops for DELTA!"
  #elif ENABLED(ENABLE_LEVELING_FADE_HEIGHT) && DISABLED(AUTO_BED_LEVELING_BILINEAR) && !UBL_SEGMENTED
    #error "ENABLE_LEVELING_FADE_HEIGHT on DELTA requires AUTO_BED_LEVELING_BILINEAR or AUTO_BED_LEVELING_UBL."
  #elif ENABLED(DELTA_AUTO_CALIBRATION) && !(HAS_BED_PROBE || HAS_LCD_MENU)
    #error "DELTA_AUTO_CALIBRATION requires a probe or LCD Controller."
  #elif ABL_GRID
    #if (GRID_MAX_POINTS_X & 1) == 0 || (GRID_MAX_POINTS_Y & 1) == 0
      #error "DELTA requires GRID_MAX_POINTS_X and GRID_MAX_POINTS_Y to be odd numbers."
    #elif GRID_MAX_POINTS_X < 3
      #error "DELTA requires GRID_MAX_POINTS_X and GRID_MAX_POINTS_Y to be 3 or higher."
    #endif
  #endif
#endif

/**
 * Probes
 */

/**
 * Allow only one probe option to be defined
 */
#if 1 < 0 \
  + ENABLED(PROBE_MANUALLY) \
  + ENABLED(FIX_MOUNTED_PROBE) \
  + (HAS_Z_SERVO_PROBE && DISABLED(BLTOUCH)) \
  + ENABLED(BLTOUCH) \
  + ENABLED(SOLENOID_PROBE) \
  + ENABLED(Z_PROBE_ALLEN_KEY) \
  + ENABLED(Z_PROBE_SLED) \
  + ENABLED(RACK_AND_PINION_PROBE)
  #error "Please enable only one probe option: PROBE_MANUALLY, FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
#endif

#if HAS_BED_PROBE

  static_assert(FLOOR(float(X_PROBE_OFFSET_FROM_EXTRUDER)) == float(X_PROBE_OFFSET_FROM_EXTRUDER), "X_PROBE_OFFSET_FROM_EXTRUDER must be an integer!");
  static_assert(FLOOR(float(Y_PROBE_OFFSET_FROM_EXTRUDER)) == float(Y_PROBE_OFFSET_FROM_EXTRUDER), "Y_PROBE_OFFSET_FROM_EXTRUDER must be an integer!");

  /**
   * Z_PROBE_SLED is incompatible with DELTA
   */
  #if BOTH(Z_PROBE_SLED, DELTA)
    #error "You cannot use Z_PROBE_SLED with DELTA."
  #endif

  /**
   * SOLENOID_PROBE requirements
   */
  #if ENABLED(SOLENOID_PROBE)
    #if ENABLED(EXT_SOLENOID)
      #error "SOLENOID_PROBE is incompatible with EXT_SOLENOID."
    #elif !HAS_SOLENOID_1
      #error "SOLENOID_PROBE requires SOL1_PIN. It can be added to your Configuration.h."
    #endif
  #endif

  /**
   * NUM_SERVOS is required for a Z servo probe
   */
  #if HAS_Z_SERVO_PROBE
    #ifndef NUM_SERVOS
      #error "You must set NUM_SERVOS for a Z servo probe (Z_PROBE_SERVO_NR)."
    #elif Z_PROBE_SERVO_NR == 0 && !PIN_EXISTS(SERVO0)
      #error "SERVO0_PIN must be defined for your servo or BLTOUCH probe."
    #elif Z_PROBE_SERVO_NR == 1 && !PIN_EXISTS(SERVO1)
      #error "SERVO1_PIN must be defined for your servo or BLTOUCH probe."
    #elif Z_PROBE_SERVO_NR == 2 && !PIN_EXISTS(SERVO2)
      #error "SERVO2_PIN must be defined for your servo or BLTOUCH probe."
    #elif Z_PROBE_SERVO_NR == 3 && !PIN_EXISTS(SERVO3)
      #error "SERVO3_PIN must be defined for your servo or BLTOUCH probe."
    #elif Z_PROBE_SERVO_NR >= NUM_SERVOS
      #error "Z_PROBE_SERVO_NR must be smaller than NUM_SERVOS."
    #endif
  #endif

  #if ENABLED(BLTOUCH)
    #if BLTOUCH_DELAY < 200
      #error "BLTOUCH_DELAY less than 200 is unsafe and is not supported."
    #elif DISABLED(BLTOUCH_SET_5V_MODE) && NONE(ENDSTOPPULLUPS, ENDSTOPPULLUP_ZMIN, ENDSTOPPULLUP_ZMIN_PROBE)
      #error "BLTOUCH without BLTOUCH_SET_5V_MODE requires ENDSTOPPULLUPS, ENDSTOPPULLUP_ZMIN or ENDSTOPPULLUP_ZMIN_PROBE."
    #endif
  #endif

  #if ENABLED(RACK_AND_PINION_PROBE) && !(defined(Z_PROBE_DEPLOY_X) && defined(Z_PROBE_RETRACT_X))
    #error "RACK_AND_PINION_PROBE requires Z_PROBE_DEPLOY_X and Z_PROBE_RETRACT_X."
  #endif

  /**
   * Require pin options and pins to be defined
   */
  #if ENABLED(SENSORLESS_PROBING)
    #if ENABLED(DELTA) && (!AXIS_DRIVER_TYPE_X(TMC2130) || !AXIS_DRIVER_TYPE_Y(TMC2130) || !AXIS_DRIVER_TYPE_Z(TMC2130))
      #error "SENSORLESS_PROBING requires TMC2130 drivers on X, Y, and Z."
    #elif !AXIS_DRIVER_TYPE_Z(TMC2130)
      #error "SENSORLESS_PROBING requires a TMC2130 driver on Z."
    #endif
  #elif ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
    #if DISABLED(USE_ZMIN_PLUG)
      #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires USE_ZMIN_PLUG to be enabled."
    #elif !HAS_Z_MIN
      #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires the Z_MIN_PIN to be defined."
    #elif Z_MIN_PROBE_ENDSTOP_INVERTING != Z_MIN_ENDSTOP_INVERTING
      #error "Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN requires Z_MIN_ENDSTOP_INVERTING to match Z_MIN_PROBE_ENDSTOP_INVERTING."
    #endif
  #elif !HAS_Z_MIN_PROBE_PIN
    #error "Z_MIN_PROBE_PIN must be defined if Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN is not enabled."
  #endif

  /**
   * Make sure Z raise values are set
   */
  #ifndef Z_CLEARANCE_DEPLOY_PROBE
    #error "You must define Z_CLEARANCE_DEPLOY_PROBE in your configuration."
  #elif !defined(Z_CLEARANCE_BETWEEN_PROBES)
    #error "You must define Z_CLEARANCE_BETWEEN_PROBES in your configuration."
  #elif Z_CLEARANCE_DEPLOY_PROBE < 0
    #error "Probes need Z_CLEARANCE_DEPLOY_PROBE >= 0."
  #elif Z_CLEARANCE_BETWEEN_PROBES < 0
    #error "Probes need Z_CLEARANCE_BETWEEN_PROBES >= 0."
  #elif Z_AFTER_PROBING < 0
    #error "Probes need Z_AFTER_PROBING >= 0."
  #endif

  #if MULTIPLE_PROBING && MULTIPLE_PROBING < 2
    #error "MULTIPLE_PROBING must be >= 2."
  #endif

  #if Z_PROBE_LOW_POINT > 0
    #error "Z_PROBE_LOW_POINT must be less than or equal to 0."
  #endif

#else

  /**
   * Require some kind of probe for bed leveling and probe testing
   */
  #if HAS_ABL_NOT_UBL && !PROBE_SELECTED
    #error "Auto Bed Leveling requires one of these: PROBE_MANUALLY, FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or a Z Servo."
  #endif

  #if ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST)
    #error "Z_MIN_PROBE_REPEATABILITY_TEST requires a probe: FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
  #endif

#endif

/**
 * Allow only one bed leveling option to be defined
 */
#if 1 < 0 \
  + ENABLED(AUTO_BED_LEVELING_LINEAR) \
  + ENABLED(AUTO_BED_LEVELING_3POINT) \
  + ENABLED(AUTO_BED_LEVELING_BILINEAR) \
  + ENABLED(AUTO_BED_LEVELING_UBL) \
  + ENABLED(MESH_BED_LEVELING)
  #error "Select only one of: MESH_BED_LEVELING, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT, AUTO_BED_LEVELING_BILINEAR or AUTO_BED_LEVELING_UBL."
#endif

/**
 * Bed Leveling Requirements
 */

#if EITHER(AUTO_BED_LEVELING_UBL, AUTO_BED_LEVELING_3POINT)
  static_assert(WITHIN(PROBE_PT_1_X, MIN_PROBE_X, MAX_PROBE_X), "PROBE_PT_1_X is outside the probe region.");
  static_assert(WITHIN(PROBE_PT_2_X, MIN_PROBE_X, MAX_PROBE_X), "PROBE_PT_2_X is outside the probe region.");
  static_assert(WITHIN(PROBE_PT_3_X, MIN_PROBE_X, MAX_PROBE_X), "PROBE_PT_3_X is outside the probe region.");
  static_assert(WITHIN(PROBE_PT_1_Y, MIN_PROBE_Y, MAX_PROBE_Y), "PROBE_PT_1_Y is outside the probe region.");
  static_assert(WITHIN(PROBE_PT_2_Y, MIN_PROBE_Y, MAX_PROBE_Y), "PROBE_PT_2_Y is outside the probe region.");
  static_assert(WITHIN(PROBE_PT_3_Y, MIN_PROBE_Y, MAX_PROBE_Y), "PROBE_PT_3_Y is outside the probe region.");
#endif

#if ENABLED(AUTO_BED_LEVELING_UBL)

  /**
   * Unified Bed Leveling
   */

  // Hide PROBE_MANUALLY from the rest of the code
  #undef PROBE_MANUALLY

  #if IS_SCARA
    #error "AUTO_BED_LEVELING_UBL does not yet support SCARA printers."
  #elif DISABLED(EEPROM_SETTINGS)
    #error "AUTO_BED_LEVELING_UBL requires EEPROM_SETTINGS. Please update your configuration."
  #elif !WITHIN(GRID_MAX_POINTS_X, 3, 15) || !WITHIN(GRID_MAX_POINTS_Y, 3, 15)
    #error "GRID_MAX_POINTS_[XY] must be a whole number between 3 and 15."
  #elif !defined(RESTORE_LEVELING_AFTER_G28)
    #error "AUTO_BED_LEVELING_UBL used to enable RESTORE_LEVELING_AFTER_G28. To keep this behavior enable RESTORE_LEVELING_AFTER_G28. Otherwise define it as 'false'."
  #endif

#elif HAS_ABL_NOT_UBL

  /**
   * Auto Bed Leveling
   */

  /**
   * Delta and SCARA have limited bed leveling options
   */
  #if IS_SCARA && DISABLED(AUTO_BED_LEVELING_BILINEAR)
    #error "SCARA machines can only use the AUTO_BED_LEVELING_BILINEAR leveling option."
  #endif

  /**
   * Check auto bed leveling probe points
   */
  #if ABL_GRID

    static_assert(LEFT_PROBE_BED_POSITION < RIGHT_PROBE_BED_POSITION, "LEFT_PROBE_BED_POSITION must be less than RIGHT_PROBE_BED_POSITION.");
    static_assert(FRONT_PROBE_BED_POSITION < BACK_PROBE_BED_POSITION, "FRONT_PROBE_BED_POSITION must be less than BACK_PROBE_BED_POSITION.");
    static_assert(LEFT_PROBE_BED_POSITION >= MIN_PROBE_X, "LEFT_PROBE_BED_POSITION is outside the probe region.");
    static_assert(RIGHT_PROBE_BED_POSITION <= MAX_PROBE_X, "RIGHT_PROBE_BED_POSITION is outside the probe region.");
    static_assert(FRONT_PROBE_BED_POSITION >= MIN_PROBE_Y, "FRONT_PROBE_BED_POSITION is outside the probe region.");
    static_assert(BACK_PROBE_BED_POSITION <= MAX_PROBE_Y, "BACK_PROBE_BED_POSITION is outside the probe region.");

  #endif

#elif ENABLED(MESH_BED_LEVELING)

  // Hide PROBE_MANUALLY from the rest of the code
  #undef PROBE_MANUALLY

  /**
   * Mesh Bed Leveling
   */

  #if ENABLED(DELTA)
    #error "MESH_BED_LEVELING is not compatible with DELTA printers."
  #elif GRID_MAX_POINTS_X > 9 || GRID_MAX_POINTS_Y > 9
    #error "GRID_MAX_POINTS_X and GRID_MAX_POINTS_Y must be less than 10 for MBL."
  #endif

#endif

#if HAS_MESH
  #if DISABLED(JUNCTION_DEVIATION)
    static_assert(DEFAULT_ZJERK > 0.1, "Low DEFAULT_ZJERK values are incompatible with mesh-based leveling.");
  #endif
#elif ENABLED(G26_MESH_VALIDATION)
  #error "G26_MESH_VALIDATION requires MESH_BED_LEVELING, AUTO_BED_LEVELING_BILINEAR, or AUTO_BED_LEVELING_UBL."
#endif

#if ENABLED(MESH_EDIT_GFX_OVERLAY) && (DISABLED(AUTO_BED_LEVELING_UBL) || DISABLED(DOGLCD))
  #error "MESH_EDIT_GFX_OVERLAY requires AUTO_BED_LEVELING_UBL and a Graphical LCD."
#endif

#if ENABLED(G29_RETRY_AND_RECOVER)
  #if ENABLED(AUTO_BED_LEVELING_UBL)
    #error "G29_RETRY_AND_RECOVER is not compatible with UBL."
  #elif ENABLED(MESH_BED_LEVELING)
    #error "G29_RETRY_AND_RECOVER is not compatible with MESH_BED_LEVELING."
  #endif
#endif

/**
 * LCD_BED_LEVELING requirements
 */
#if ENABLED(LCD_BED_LEVELING)
  #if !HAS_LCD_MENU
    #error "LCD_BED_LEVELING requires a programmable LCD controller."
  #elif !(ENABLED(MESH_BED_LEVELING) || HAS_ABL_NOT_UBL)
    #error "LCD_BED_LEVELING requires MESH_BED_LEVELING or AUTO_BED_LEVELING."
  #endif
#endif

/**
 * Homing
 */
#if X_HOME_BUMP_MM < 0 || Y_HOME_BUMP_MM < 0 || Z_HOME_BUMP_MM < 0
  #error "[XYZ]_HOME_BUMP_MM must be greater than or equal to 0."
#endif

#if ENABLED(CODEPENDENT_XY_HOMING)
  #if ENABLED(QUICK_HOME)
    #error "QUICK_HOME is incompatible with CODEPENDENT_XY_HOMING."
  #elif IS_KINEMATIC
    #error "CODEPENDENT_XY_HOMING requires a Cartesian setup."
  #endif
#endif

/**
 * Make sure Z_SAFE_HOMING point is reachable
 */
#if ENABLED(Z_SAFE_HOMING)
  #if HAS_BED_PROBE
    static_assert(WITHIN(Z_SAFE_HOMING_X_POINT, MIN_PROBE_X, MAX_PROBE_X), "Z_SAFE_HOMING_X_POINT is outside the probe region.");
    static_assert(WITHIN(Z_SAFE_HOMING_Y_POINT, MIN_PROBE_Y, MAX_PROBE_Y), "Z_SAFE_HOMING_Y_POINT is outside the probe region.");
  #else
    static_assert(WITHIN(Z_SAFE_HOMING_X_POINT, X_MIN_POS, X_MAX_POS), "Z_SAFE_HOMING_X_POINT can't be reached by the nozzle.");
    static_assert(WITHIN(Z_SAFE_HOMING_Y_POINT, Y_MIN_POS, Y_MAX_POS), "Z_SAFE_HOMING_Y_POINT can't be reached by the nozzle.");
  #endif
#endif // Z_SAFE_HOMING

/**
 * Make sure DISABLE_[XYZ] compatible with selected homing options
 */
#if ANY(DISABLE_X, DISABLE_Y, DISABLE_Z)
  #if EITHER(HOME_AFTER_DEACTIVATE, Z_SAFE_HOMING)
    #error "DISABLE_[XYZ] is not compatible with HOME_AFTER_DEACTIVATE or Z_SAFE_HOMING."
  #endif
#endif

/**
 * Filament Width Sensor
 */
#if ENABLED(FILAMENT_WIDTH_SENSOR)
  #if !HAS_FILAMENT_WIDTH_SENSOR
    #error "FILAMENT_WIDTH_SENSOR requires a FILWIDTH_PIN to be defined."
  #elif ENABLED(NO_VOLUMETRICS)
    #error "FILAMENT_WIDTH_SENSOR requires NO_VOLUMETRICS to be disabled."
  #endif
#endif

/**
 * ULTIPANEL encoder
 */
#if ENABLED(ULTIPANEL) && DISABLED(NEWPANEL, SR_LCD_2W_NL) && !defined(SHIFT_CLK)
  #error "ULTIPANEL requires some kind of encoder."
#endif

#if ENCODER_PULSES_PER_STEP < 0
  #error "ENCODER_PULSES_PER_STEP should not be negative, use REVERSE_MENU_DIRECTION instead."
#endif

/**
 * SAV_3DGLCD display options
 */
#if ENABLED(SAV_3DGLCD)
  #if DISABLED(U8GLIB_SSD1306, U8GLIB_SH1106)
    #error "Enable a SAV_3DGLCD display type: U8GLIB_SSD1306 or U8GLIB_SH1106."
  #elif BOTH(U8GLIB_SSD1306, U8GLIB_SH1106)
    #error "Only enable one SAV_3DGLCD display type: U8GLIB_SSD1306 or U8GLIB_SH1106."
  #endif
#endif

/**
 * Allen Key
 * Deploying the Allen Key probe uses big moves in z direction. Too dangerous for an unhomed z-axis.
 */
#if ENABLED(Z_PROBE_ALLEN_KEY) && (Z_HOME_DIR < 0) && ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
  #error "You can't home to a z min endstop with a Z_PROBE_ALLEN_KEY"
#endif

/**
 * Dual X Carriage requirements
 */
#if ENABLED(DUAL_X_CARRIAGE)
  #if EXTRUDERS == 1
    #error "DUAL_X_CARRIAGE requires 2 (or more) extruders."
  #elif CORE_IS_XY || CORE_IS_XZ
    #error "DUAL_X_CARRIAGE cannot be used with COREXY, COREYX, COREXZ, or COREZX."
  #elif !(HAS_X2_ENABLE && HAS_X2_STEP && HAS_X2_DIR)
    #error "DUAL_X_CARRIAGE requires X2 stepper pins to be defined."
  #elif !HAS_X_MAX
    #error "DUAL_X_CARRIAGE requires USE_XMAX_PLUG and an X Max Endstop."
  #elif !defined(X2_HOME_POS) || !defined(X2_MIN_POS) || !defined(X2_MAX_POS)
    #error "DUAL_X_CARRIAGE requires X2_HOME_POS, X2_MIN_POS, and X2_MAX_POS."
  #elif X_HOME_DIR != -1 || X2_HOME_DIR != 1
    #error "DUAL_X_CARRIAGE requires X_HOME_DIR -1 and X2_HOME_DIR 1."
  #endif
#endif // DUAL_X_CARRIAGE

/**
 * Make sure auto fan pins don't conflict with the fan pin
 */
#if HAS_AUTO_FAN
  #if HAS_FAN0
    #if E0_AUTO_FAN_PIN == FAN_PIN
      #error "You cannot set E0_AUTO_FAN_PIN equal to FAN_PIN."
    #elif E1_AUTO_FAN_PIN == FAN_PIN
      #error "You cannot set E1_AUTO_FAN_PIN equal to FAN_PIN."
    #elif E2_AUTO_FAN_PIN == FAN_PIN
      #error "You cannot set E2_AUTO_FAN_PIN equal to FAN_PIN."
    #elif E3_AUTO_FAN_PIN == FAN_PIN
      #error "You cannot set E3_AUTO_FAN_PIN equal to FAN_PIN."
    #endif
  #endif
#endif

#if HAS_FAN0 && CONTROLLER_FAN_PIN == FAN_PIN
  #error "You cannot set CONTROLLER_FAN_PIN equal to FAN_PIN."
#endif

#if ENABLED(USE_CONTROLLER_FAN)
  #if !HAS_CONTROLLER_FAN
    #error "USE_CONTROLLER_FAN requires a CONTROLLER_FAN_PIN. Define in Configuration_adv.h."
  #elif E0_AUTO_FAN_PIN == CONTROLLER_FAN_PIN
    #error "You cannot set E0_AUTO_FAN_PIN equal to CONTROLLER_FAN_PIN."
  #elif E1_AUTO_FAN_PIN == CONTROLLER_FAN_PIN
    #error "You cannot set E1_AUTO_FAN_PIN equal to CONTROLLER_FAN_PIN."
  #elif E2_AUTO_FAN_PIN == CONTROLLER_FAN_PIN
    #error "You cannot set E2_AUTO_FAN_PIN equal to CONTROLLER_FAN_PIN."
  #elif E3_AUTO_FAN_PIN == CONTROLLER_FAN_PIN
    #error "You cannot set E3_AUTO_FAN_PIN equal to CONTROLLER_FAN_PIN."
  #endif
#endif

/**
 * Test case light not using the same pin as the fan
 */
#if ENABLED(CASE_LIGHT_ENABLE) && CASE_LIGHT_PIN == FAN_PIN
  #error "You cannot set CASE_LIGHT_PIN equal to FAN_PIN."
#endif

/**
 * Required custom thermistor settings
 */
#if   ENABLED(HEATER_0_USER_THERMISTOR) && !(defined(HOTEND0_PULLUP_RESISTOR_OHMS) && defined(HOTEND0_RESISTANCE_25C_OHMS) && defined(HOTEND0_BETA))
  #error "TEMP_SENSOR_0 1000 requires HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS and HOTEND0_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_1_USER_THERMISTOR) && !(defined(HOTEND1_PULLUP_RESISTOR_OHMS) && defined(HOTEND1_RESISTANCE_25C_OHMS) && defined(HOTEND1_BETA))
  #error "TEMP_SENSOR_1 1000 requires HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS and HOTEND1_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_2_USER_THERMISTOR) && !(defined(HOTEND2_PULLUP_RESISTOR_OHMS) && defined(HOTEND2_RESISTANCE_25C_OHMS) && defined(HOTEND2_BETA))
  #error "TEMP_SENSOR_2 1000 requires HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS and HOTEND2_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_3_USER_THERMISTOR) && !(defined(HOTEND3_PULLUP_RESISTOR_OHMS) && defined(HOTEND3_RESISTANCE_25C_OHMS) && defined(HOTEND3_BETA))
  #error "TEMP_SENSOR_3 1000 requires HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS and HOTEND3_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_4_USER_THERMISTOR) && !(defined(HOTEND4_PULLUP_RESISTOR_OHMS) && defined(HOTEND4_RESISTANCE_25C_OHMS) && defined(HOTEND4_BETA))
  #error "TEMP_SENSOR_4 1000 requires HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS and HOTEND4_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_5_USER_THERMISTOR) && !(defined(HOTEND5_PULLUP_RESISTOR_OHMS) && defined(HOTEND5_RESISTANCE_25C_OHMS) && defined(HOTEND5_BETA))
  #error "TEMP_SENSOR_5 1000 requires HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS and HOTEND5_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_BED_USER_THERMISTOR) && !(defined(BED_PULLUP_RESISTOR_OHMS) && defined(BED_RESISTANCE_25C_OHMS) && defined(BED_BETA))
  #error "TEMP_SENSOR_BED 1000 requires BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS and BED_BETA in Configuration_adv.h."
#elif ENABLED(HEATER_CHAMBER_USER_THERMISTOR) && !(defined(CHAMBER_PULLUP_RESISTOR_OHMS) && defined(CHAMBER_RESISTANCE_25C_OHMS) && defined(CHAMBER_BETA))
  #error "TEMP_SENSOR_CHAMBER 1000 requires CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS and CHAMBER_BETA in Configuration_adv.h."
#endif

/**
 * Test Heater, Temp Sensor, and Extruder Pins; Sensor Type must also be set.
 */
#if !HAS_HEATER_0
  #error "HEATER_0_PIN not defined for this board."
#elif !ANY_PIN(TEMP_0, MAX6675_SS)
  #error "TEMP_0_PIN not defined for this board."
#elif ((defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)) && !PIN_EXISTS(E0_STEP, E0_DIR))
  #error "E0_STEP_PIN or E0_DIR_PIN not defined for this board."
#elif ( !(defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)) && (!PIN_EXISTS(E0_STEP, E0_DIR) || !HAS_E0_ENABLE))
  #error "E0_STEP_PIN, E0_DIR_PIN, or E0_ENABLE_PIN not defined for this board."
#elif TEMP_SENSOR_0 == 0
  #error "TEMP_SENSOR_0 is required."
#endif

// Pins are required for heaters
#if ENABLED(HEATER_0_USES_MAX6675) && !PIN_EXISTS(MAX6675_SS)
  #error "MAX6675_SS_PIN (required for TEMP_SENSOR_0) not defined for this board."
#elif (HOTENDS > 1 || ENABLED(HEATERS_PARALLEL)) && !HAS_HEATER_1
  #error "HEATER_1_PIN not defined for this board."
#endif

#if HOTENDS > 1
  #if ENABLED(HEATER_1_USES_MAX6675) && !PIN_EXISTS(MAX6675_SS2)
    #error "MAX6675_SS2_PIN (required for TEMP_SENSOR_1) not defined for this board."
  #elif TEMP_SENSOR_1 == 0
    #error "TEMP_SENSOR_1 is required with 2 or more HOTENDS."
  #elif !ANY_PIN(TEMP_1, MAX6675_SS2)
    #error "TEMP_1_PIN not defined for this board."
  #endif
  #if HOTENDS > 2
    #if TEMP_SENSOR_2 == 0
      #error "TEMP_SENSOR_2 is required with 3 or more HOTENDS."
    #elif !HAS_HEATER_2
      #error "HEATER_2_PIN not defined for this board."
    #elif !PIN_EXISTS(TEMP_2)
      #error "TEMP_2_PIN not defined for this board."
    #endif
    #if HOTENDS > 3
      #if TEMP_SENSOR_3 == 0
        #error "TEMP_SENSOR_3 is required with 4 or more HOTENDS."
      #elif !HAS_HEATER_3
        #error "HEATER_3_PIN not defined for this board."
      #elif !PIN_EXISTS(TEMP_3)
        #error "TEMP_3_PIN not defined for this board."
      #endif
      #if HOTENDS > 4
        #if TEMP_SENSOR_4 == 0
          #error "TEMP_SENSOR_4 is required with 5 or more HOTENDS."
        #elif !HAS_HEATER_4
          #error "HEATER_4_PIN not defined for this board."
        #elif !PIN_EXISTS(TEMP_4)
          #error "TEMP_4_PIN not defined for this board."
        #endif
        #if HOTENDS > 5
          #if TEMP_SENSOR_5 == 0
            #error "TEMP_SENSOR_5 is required with 6 HOTENDS."
          #elif !HAS_HEATER_5
            #error "HEATER_5_PIN not defined for this board."
          #elif !PIN_EXISTS(TEMP_5)
            #error "TEMP_5_PIN not defined for this board."
          #endif
        #elif TEMP_SENSOR_5 != 0
          #error "TEMP_SENSOR_5 shouldn't be set with only 5 HOTENDS."
        #endif
      #elif TEMP_SENSOR_4 != 0
        #error "TEMP_SENSOR_4 shouldn't be set with only 4 HOTENDS."
      #elif TEMP_SENSOR_5 != 0
        #error "TEMP_SENSOR_5 shouldn't be set with only 4 HOTENDS."
      #endif
    #elif TEMP_SENSOR_3 != 0
      #error "TEMP_SENSOR_3 shouldn't be set with only 3 HOTENDS."
    #elif TEMP_SENSOR_4 != 0
      #error "TEMP_SENSOR_4 shouldn't be set with only 3 HOTENDS."
    #elif TEMP_SENSOR_5 != 0
      #error "TEMP_SENSOR_5 shouldn't be set with only 3 HOTENDS."
    #endif
  #elif TEMP_SENSOR_2 != 0
    #error "TEMP_SENSOR_2 shouldn't be set with only 2 HOTENDS."
  #elif TEMP_SENSOR_3 != 0
    #error "TEMP_SENSOR_3 shouldn't be set with only 2 HOTENDS."
  #elif TEMP_SENSOR_4 != 0
    #error "TEMP_SENSOR_4 shouldn't be set with only 2 HOTENDS."
  #elif TEMP_SENSOR_5 != 0
    #error "TEMP_SENSOR_5 shouldn't be set with only 2 HOTENDS."
  #endif
#elif TEMP_SENSOR_1 != 0 && DISABLED(TEMP_SENSOR_1_AS_REDUNDANT)
  #error "TEMP_SENSOR_1 shouldn't be set with only 1 HOTEND."
#elif TEMP_SENSOR_2 != 0
  #error "TEMP_SENSOR_2 shouldn't be set with only 1 HOTEND."
#elif TEMP_SENSOR_3 != 0
  #error "TEMP_SENSOR_3 shouldn't be set with only 1 HOTEND."
#elif TEMP_SENSOR_4 != 0
  #error "TEMP_SENSOR_4 shouldn't be set with only 1 HOTEND."
#elif TEMP_SENSOR_5 != 0
  #error "TEMP_SENSOR_5 shouldn't be set with only 1 HOTEND."
#endif

#if ENABLED(TEMP_SENSOR_1_AS_REDUNDANT) && TEMP_SENSOR_1 == 0
  #error "TEMP_SENSOR_1 is required with TEMP_SENSOR_1_AS_REDUNDANT."
#endif

/**
 * Temperature status LEDs
 */
#if ENABLED(TEMP_STAT_LEDS) && !ANY_PIN(STAT_LED_RED, STAT_LED_BLUE)
  #error "TEMP_STAT_LEDS requires STAT_LED_RED_PIN or STAT_LED_BLUE_PIN, preferably both."
#endif

/**
 * LED Control Menu
 */
#if ENABLED(LED_CONTROL_MENU) && !HAS_COLOR_LEDS
  #error "LED_CONTROL_MENU requires BLINKM, RGB_LED, RGBW_LED, PCA9533, PCA9632, or NEOPIXEL_LED."
#endif

/**
 * LED Backlight Timeout
 */
#if defined(LED_BACKLIGHT_TIMEOUT) && !(EITHER(FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1) && POWER_SUPPLY > 0)
  #error "LED_BACKLIGHT_TIMEOUT requires a Fysetc Mini Panel and a Power Switch."
#endif

/**
 * Basic multi hotend duplication mode
 */
#if ENABLED(MULTI_NOZZLE_DUPLICATION)
  #if HOTENDS < 2
    #error "MULTI_NOZZLE_DUPLICATION requires 2 or more hotends."
  #elif ENABLED(DUAL_X_CARRIAGE)
    #error "MULTI_NOZZLE_DUPLICATION is incompatible with DUAL_X_CARRIAGE."
  #elif ENABLED(SINGLENOZZLE)
    #error "MULTI_NOZZLE_DUPLICATION is incompatible with SINGLENOZZLE."
  #elif ENABLED(MIXING_EXTRUDER)
    #error "MULTI_NOZZLE_DUPLICATION is incompatible with MIXING_EXTRUDER."
  #elif ENABLED(SWITCHING_EXTRUDER)
    #error "MULTI_NOZZLE_DUPLICATION is incompatible with SWITCHING_EXTRUDER."
  #endif
#endif

/**
 * Test Extruder Stepper Pins
 */
#if DISABLED(MK2_MULTIPLEXER) // MK2_MULTIPLEXER uses E0 stepper only
  #if E_STEPPERS
    #if !(PIN_EXISTS(E0_STEP, E0_DIR) && HAS_E0_ENABLE)
      #error "E0_STEP_PIN, E0_DIR_PIN, or E0_ENABLE_PIN not defined for this board."
    #endif
    #if E_STEPPERS > 1
      #if !(PIN_EXISTS(E1_STEP, E1_DIR) && HAS_E1_ENABLE)
        #error "E1_STEP_PIN, E1_DIR_PIN, or E1_ENABLE_PIN not defined for this board."
      #endif
      #if E_STEPPERS > 2
        #if !(PIN_EXISTS(E2_STEP, E2_DIR) && HAS_E2_ENABLE)
          #error "E2_STEP_PIN, E2_DIR_PIN, or E2_ENABLE_PIN not defined for this board."
        #endif
        #if E_STEPPERS > 3
          #if !(PIN_EXISTS(E3_STEP, E3_DIR) && HAS_E3_ENABLE)
            #error "E3_STEP_PIN, E3_DIR_PIN, or E3_ENABLE_PIN not defined for this board."
          #endif
          #if E_STEPPERS > 4
            #if !(PIN_EXISTS(E4_STEP, E4_DIR) && HAS_E4_ENABLE)
              #error "E4_STEP_PIN, E4_DIR_PIN, or E4_ENABLE_PIN not defined for this board."
            #endif
            #if E_STEPPERS > 5
              #if !(PIN_EXISTS(E5_STEP, E5_DIR) && HAS_E5_ENABLE)
                #error "E5_STEP_PIN, E5_DIR_PIN, or E5_ENABLE_PIN not defined for this board."
              #endif
            #endif // E_STEPPERS > 5
          #endif // E_STEPPERS > 4
        #endif // E_STEPPERS > 3
      #endif // E_STEPPERS > 2
    #endif // E_STEPPERS > 1
  #endif // E_STEPPERS
#endif

/**
 * Endstop Tests
 */

#define _PLUG_UNUSED_TEST(AXIS,PLUG) (DISABLED(USE_##PLUG##MIN_PLUG, USE_##PLUG##MAX_PLUG) && !(ENABLED(AXIS##_DUAL_ENDSTOPS) && WITHIN(AXIS##2_USE_ENDSTOP, _##PLUG##MAX_, _##PLUG##MIN_)))
#define _AXIS_PLUG_UNUSED_TEST(AXIS) (_PLUG_UNUSED_TEST(AXIS,X) && _PLUG_UNUSED_TEST(AXIS,Y) && _PLUG_UNUSED_TEST(AXIS,Z))

// At least 3 endstop plugs must be used
#if _AXIS_PLUG_UNUSED_TEST(X)
  #error "You must enable USE_XMIN_PLUG or USE_XMAX_PLUG."
#endif
#if _AXIS_PLUG_UNUSED_TEST(Y)
  #error "You must enable USE_YMIN_PLUG or USE_YMAX_PLUG."
#endif
#if _AXIS_PLUG_UNUSED_TEST(Z)
  #error "You must enable USE_ZMIN_PLUG or USE_ZMAX_PLUG."
#endif

// Delta and Cartesian use 3 homing endstops
#if !IS_SCARA
  #if X_HOME_DIR < 0 && DISABLED(USE_XMIN_PLUG)
    #error "Enable USE_XMIN_PLUG when homing X to MIN."
  #elif X_HOME_DIR > 0 && DISABLED(USE_XMAX_PLUG)
    #error "Enable USE_XMAX_PLUG when homing X to MAX."
  #elif Y_HOME_DIR < 0 && DISABLED(USE_YMIN_PLUG)
    #error "Enable USE_YMIN_PLUG when homing Y to MIN."
  #elif Y_HOME_DIR > 0 && DISABLED(USE_YMAX_PLUG)
    #error "Enable USE_YMAX_PLUG when homing Y to MAX."
  #endif
#endif
#if Z_HOME_DIR < 0 && DISABLED(USE_ZMIN_PLUG)
  #error "Enable USE_ZMIN_PLUG when homing Z to MIN."
#elif Z_HOME_DIR > 0 && DISABLED(USE_ZMAX_PLUG)
  #error "Enable USE_ZMAX_PLUG when homing Z to MAX."
#endif

// Dual endstops requirements
#if ENABLED(X_DUAL_ENDSTOPS)
  #if !X2_USE_ENDSTOP
    #error "You must set X2_USE_ENDSTOP with X_DUAL_ENDSTOPS."
  #elif X2_USE_ENDSTOP == _XMIN_ && DISABLED(USE_XMIN_PLUG)
    #error "USE_XMIN_PLUG is required when X2_USE_ENDSTOP is _XMIN_."
  #elif X2_USE_ENDSTOP == _XMAX_ && DISABLED(USE_XMAX_PLUG)
    #error "USE_XMAX_PLUG is required when X2_USE_ENDSTOP is _XMAX_."
  #elif X2_USE_ENDSTOP == _YMIN_ && DISABLED(USE_YMIN_PLUG)
    #error "USE_YMIN_PLUG is required when X2_USE_ENDSTOP is _YMIN_."
  #elif X2_USE_ENDSTOP == _YMAX_ && DISABLED(USE_YMAX_PLUG)
    #error "USE_YMAX_PLUG is required when X2_USE_ENDSTOP is _YMAX_."
  #elif X2_USE_ENDSTOP == _ZMIN_ && DISABLED(USE_ZMIN_PLUG)
    #error "USE_ZMIN_PLUG is required when X2_USE_ENDSTOP is _ZMIN_."
  #elif X2_USE_ENDSTOP == _ZMAX_ && DISABLED(USE_ZMAX_PLUG)
    #error "USE_ZMAX_PLUG is required when X2_USE_ENDSTOP is _ZMAX_."
  #elif !HAS_X2_MIN && !HAS_X2_MAX
    #error "X2_USE_ENDSTOP has been assigned to a nonexistent endstop!"
  #elif ENABLED(DELTA)
    #error "X_DUAL_ENDSTOPS is not compatible with DELTA."
  #endif
#endif
#if ENABLED(Y_DUAL_ENDSTOPS)
  #if !Y2_USE_ENDSTOP
    #error "You must set Y2_USE_ENDSTOP with Y_DUAL_ENDSTOPS."
  #elif Y2_USE_ENDSTOP == _XMIN_ && DISABLED(USE_XMIN_PLUG)
    #error "USE_XMIN_PLUG is required when Y2_USE_ENDSTOP is _XMIN_."
  #elif Y2_USE_ENDSTOP == _XMAX_ && DISABLED(USE_XMAX_PLUG)
    #error "USE_XMAX_PLUG is required when Y2_USE_ENDSTOP is _XMAX_."
  #elif Y2_USE_ENDSTOP == _YMIN_ && DISABLED(USE_YMIN_PLUG)
    #error "USE_YMIN_PLUG is required when Y2_USE_ENDSTOP is _YMIN_."
  #elif Y2_USE_ENDSTOP == _YMAX_ && DISABLED(USE_YMAX_PLUG)
    #error "USE_YMAX_PLUG is required when Y2_USE_ENDSTOP is _YMAX_."
  #elif Y2_USE_ENDSTOP == _ZMIN_ && DISABLED(USE_ZMIN_PLUG)
    #error "USE_ZMIN_PLUG is required when Y2_USE_ENDSTOP is _ZMIN_."
  #elif Y2_USE_ENDSTOP == _ZMAX_ && DISABLED(USE_ZMAX_PLUG)
    #error "USE_ZMAX_PLUG is required when Y2_USE_ENDSTOP is _ZMAX_."
  #elif !HAS_Y2_MIN && !HAS_Y2_MAX
    #error "Y2_USE_ENDSTOP has been assigned to a nonexistent endstop!"
  #elif ENABLED(DELTA)
    #error "Y_DUAL_ENDSTOPS is not compatible with DELTA."
  #endif
#endif
#if ENABLED(Z_DUAL_ENDSTOPS)
  #if !Z2_USE_ENDSTOP
    #error "You must set Z2_USE_ENDSTOP with Z_DUAL_ENDSTOPS."
  #elif Z2_USE_ENDSTOP == _XMIN_ && DISABLED(USE_XMIN_PLUG)
    #error "USE_XMIN_PLUG is required when Z2_USE_ENDSTOP is _XMIN_."
  #elif Z2_USE_ENDSTOP == _XMAX_ && DISABLED(USE_XMAX_PLUG)
    #error "USE_XMAX_PLUG is required when Z2_USE_ENDSTOP is _XMAX_."
  #elif Z2_USE_ENDSTOP == _YMIN_ && DISABLED(USE_YMIN_PLUG)
    #error "USE_YMIN_PLUG is required when Z2_USE_ENDSTOP is _YMIN_."
  #elif Z2_USE_ENDSTOP == _YMAX_ && DISABLED(USE_YMAX_PLUG)
    #error "USE_YMAX_PLUG is required when Z2_USE_ENDSTOP is _YMAX_."
  #elif Z2_USE_ENDSTOP == _ZMIN_ && DISABLED(USE_ZMIN_PLUG)
    #error "USE_ZMIN_PLUG is required when Z2_USE_ENDSTOP is _ZMIN_."
  #elif Z2_USE_ENDSTOP == _ZMAX_ && DISABLED(USE_ZMAX_PLUG)
    #error "USE_ZMAX_PLUG is required when Z2_USE_ENDSTOP is _ZMAX_."
  #elif !HAS_Z2_MIN && !HAS_Z2_MAX
    #error "Z2_USE_ENDSTOP has been assigned to a nonexistent endstop!"
  #elif ENABLED(DELTA)
    #error "Z_DUAL_ENDSTOPS is not compatible with DELTA."
  #endif
#endif
#if ENABLED(Z_TRIPLE_ENDSTOPS)
  #if !Z2_USE_ENDSTOP
    #error "You must set Z2_USE_ENDSTOP with Z_TRIPLE_ENDSTOPS."
  #elif Z2_USE_ENDSTOP == _XMIN_ && DISABLED(USE_XMIN_PLUG)
    #error "USE_XMIN_PLUG is required when Z2_USE_ENDSTOP is _XMIN_."
  #elif Z2_USE_ENDSTOP == _XMAX_ && DISABLED(USE_XMAX_PLUG)
    #error "USE_XMAX_PLUG is required when Z2_USE_ENDSTOP is _XMAX_."
  #elif Z2_USE_ENDSTOP == _YMIN_ && DISABLED(USE_YMIN_PLUG)
    #error "USE_YMIN_PLUG is required when Z2_USE_ENDSTOP is _YMIN_."
  #elif Z2_USE_ENDSTOP == _YMAX_ && DISABLED(USE_YMAX_PLUG)
    #error "USE_YMAX_PLUG is required when Z2_USE_ENDSTOP is _YMAX_."
  #elif Z2_USE_ENDSTOP == _ZMIN_ && DISABLED(USE_ZMIN_PLUG)
    #error "USE_ZMIN_PLUG is required when Z2_USE_ENDSTOP is _ZMIN_."
  #elif Z2_USE_ENDSTOP == _ZMAX_ && DISABLED(USE_ZMAX_PLUG)
    #error "USE_ZMAX_PLUG is required when Z2_USE_ENDSTOP is _ZMAX_."
  #elif !HAS_Z2_MIN && !HAS_Z2_MAX
    #error "Z2_USE_ENDSTOP has been assigned to a nonexistent endstop!"
  #elif ENABLED(DELTA)
    #error "Z_TRIPLE_ENDSTOPS is not compatible with DELTA."
  #endif
  #if !Z3_USE_ENDSTOP
    #error "You must set Z3_USE_ENDSTOP with Z_TRIPLE_ENDSTOPS."
  #elif Z3_USE_ENDSTOP == _XMIN_ && DISABLED(USE_XMIN_PLUG)
    #error "USE_XMIN_PLUG is required when Z3_USE_ENDSTOP is _XMIN_."
  #elif Z3_USE_ENDSTOP == _XMAX_ && DISABLED(USE_XMAX_PLUG)
    #error "USE_XMAX_PLUG is required when Z3_USE_ENDSTOP is _XMAX_."
  #elif Z3_USE_ENDSTOP == _YMIN_ && DISABLED(USE_YMIN_PLUG)
    #error "USE_YMIN_PLUG is required when Z3_USE_ENDSTOP is _YMIN_."
  #elif Z3_USE_ENDSTOP == _YMAX_ && DISABLED(USE_YMAX_PLUG)
    #error "USE_YMAX_PLUG is required when Z3_USE_ENDSTOP is _YMAX_."
  #elif Z3_USE_ENDSTOP == _ZMIN_ && DISABLED(USE_ZMIN_PLUG)
    #error "USE_ZMIN_PLUG is required when Z3_USE_ENDSTOP is _ZMIN_."
  #elif Z3_USE_ENDSTOP == _ZMAX_ && DISABLED(USE_ZMAX_PLUG)
    #error "USE_ZMAX_PLUG is required when Z3_USE_ENDSTOP is _ZMAX_."
  #elif !HAS_Z3_MIN && !HAS_Z3_MAX
    #error "Z3_USE_ENDSTOP has been assigned to a nonexistent endstop!"
  #elif ENABLED(DELTA)
    #error "Z_TRIPLE_ENDSTOPS is not compatible with DELTA."
  #endif
#endif

#if defined(ENDSTOP_NOISE_THRESHOLD) && !WITHIN(ENDSTOP_NOISE_THRESHOLD, 2, 7)
  #error "ENDSTOP_NOISE_THRESHOLD must be an integer from 2 to 7."
#endif

/**
 * emergency-command parser
 */
#if ENABLED(EMERGENCY_PARSER) && defined(__AVR__) && defined(USBCON)
  #error "EMERGENCY_PARSER does not work on boards with AT90USB processors (USBCON)."
#endif

/**
 * I2C bus
 */
#if ENABLED(EXPERIMENTAL_I2CBUS) && I2C_SLAVE_ADDRESS > 0
  #if I2C_SLAVE_ADDRESS < 8
    #error "I2C_SLAVE_ADDRESS can't be less than 8. (Addresses 0 - 7 are reserved.)"
  #elif I2C_SLAVE_ADDRESS > 127
    #error "I2C_SLAVE_ADDRESS can't be over 127. (Only 7 bits allowed.)"
  #endif
#endif

/**
 * G38 Probe Target
 */
#if ENABLED(G38_PROBE_TARGET)
  #if !HAS_BED_PROBE
    #error "G38_PROBE_TARGET requires a bed probe."
  #elif !IS_CARTESIAN
    #error "G38_PROBE_TARGET requires a Cartesian machine."
  #endif
#endif

/**
 * RGB_LED Requirements
 */
#define _RGB_TEST (PIN_EXISTS(RGB_LED_R, RGB_LED_G, RGB_LED_B))
#if ENABLED(PRINTER_EVENT_LEDS) && !HAS_COLOR_LEDS
  #error "PRINTER_EVENT_LEDS requires BLINKM, PCA9533, PCA9632, RGB_LED, RGBW_LED or NEOPIXEL_LED."
#elif ENABLED(RGB_LED)
  #if !_RGB_TEST
    #error "RGB_LED requires RGB_LED_R_PIN, RGB_LED_G_PIN, and RGB_LED_B_PIN."
  #elif ENABLED(RGBW_LED)
    #error "Please enable only one of RGB_LED and RGBW_LED."
  #endif
#elif ENABLED(RGBW_LED)
  #if !(_RGB_TEST && PIN_EXISTS(RGB_LED_W))
    #error "RGBW_LED requires RGB_LED_R_PIN, RGB_LED_G_PIN, RGB_LED_B_PIN, and RGB_LED_W_PIN."
  #endif
#elif ENABLED(NEOPIXEL_LED)
  #if !(PIN_EXISTS(NEOPIXEL) && NEOPIXEL_PIXELS > 0)
    #error "NEOPIXEL_LED requires NEOPIXEL_PIN and NEOPIXEL_PIXELS."
  #endif
#endif
#undef _RGB_TEST

/**
 * Auto Fan check for PWM pins
 */
#if HAS_AUTO_FAN && EXTRUDER_AUTO_FAN_SPEED != 255
  #define AF_ERR_SUFF "_AUTO_FAN_PIN is not a PWM pin. Set EXTRUDER_AUTO_FAN_SPEED to 255."
  #if HAS_AUTO_FAN_0
    static_assert(PWM_PIN(E0_AUTO_FAN_PIN), "E0" AF_ERR_SUFF);
  #elif HAS_AUTO_FAN_1
    static_assert(PWM_PIN(E1_AUTO_FAN_PIN), "E1" AF_ERR_SUFF);
  #elif HAS_AUTO_FAN_2
    static_assert(PWM_PIN(E2_AUTO_FAN_PIN), "E2" AF_ERR_SUFF);
  #elif HAS_AUTO_FAN_3
    static_assert(PWM_PIN(E3_AUTO_FAN_PIN), "E3" AF_ERR_SUFF);
  #endif
#endif

/**
 * Make sure only one display is enabled
 *
 * Note: BQ_LCD_SMART_CONTROLLER => REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 *       REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER => REPRAP_DISCOUNT_SMART_CONTROLLER
 *       SAV_3DGLCD => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
 *       MKS_12864OLED => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
 *       MKS_12864OLED_SSD1306 => U8GLIB_SSD1306 => ULTIMAKERCONTROLLER
 *       MKS_MINI_12864 => MINIPANEL
 *       miniVIKI => ULTIMAKERCONTROLLER
 *       VIKI2 => ULTIMAKERCONTROLLER
 *       ELB_FULL_GRAPHIC_CONTROLLER => ULTIMAKERCONTROLLER
 *       AZSMZ_12864 => ULTIMAKERCONTROLLER
 *       PANEL_ONE => ULTIMAKERCONTROLLER
 */
#if 1 < 0 \
  + (     ENABLED(ULTIMAKERCONTROLLER) \
      && DISABLED(SAV_3DGLCD) \
      && DISABLED(miniVIKI) \
      && DISABLED(VIKI2) \
      && DISABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
      && DISABLED(AZSMZ_12864) \
      && DISABLED(PANEL_ONE) \
      && DISABLED(MKS_12864OLED) \
      && DISABLED(MKS_12864OLED_SSD1306) ) \
  + (     ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) \
      && DISABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) \
      && DISABLED(LCD_FOR_MELZI) \
      && DISABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
      && DISABLED(MKS_12864OLED) \
      && DISABLED(MKS_12864OLED_SSD1306) ) \
  + (ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) && DISABLED(BQ_LCD_SMART_CONTROLLER)) \
  + ENABLED(LCD_FOR_MELZI) \
  + ENABLED(MALYAN_LCD) \
  + ENABLED(MKS_12864OLED) \
  + ENABLED(MKS_12864OLED_SSD1306) \
  + ENABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
  + ENABLED(CARTESIO_UI) \
  + ENABLED(PANEL_ONE) \
  + ENABLED(MAKRPANEL) \
  + ENABLED(REPRAPWORLD_GRAPHICAL_LCD) \
  + ENABLED(VIKI2) \
  + ENABLED(miniVIKI) \
  + ENABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
  + ENABLED(AZSMZ_12864) \
  + ENABLED(G3D_PANEL) \
  + (ENABLED(MINIPANEL) && DISABLED(MKS_MINI_12864)) \
  + ENABLED(MKS_MINI_12864) \
  + ENABLED(FYSETC_MINI_12864_1_2) \
  + ENABLED(FYSETC_MINI_12864_2_0) \
  + ENABLED(FYSETC_MINI_12864_2_1) \
  + (ENABLED(REPRAPWORLD_KEYPAD) && DISABLED(CARTESIO_UI, ZONESTAR_LCD)) \
  + ENABLED(RIGIDBOT_PANEL) \
  + ENABLED(RA_CONTROL_PANEL) \
  + ENABLED(LCD_SAINSMART_I2C_1602) \
  + ENABLED(LCD_SAINSMART_I2C_2004) \
  + ENABLED(LCM1602) \
  + ENABLED(LCD_I2C_PANELOLU2) \
  + ENABLED(LCD_I2C_VIKI) \
  + (ENABLED(U8GLIB_SSD1306) && DISABLED(OLED_PANEL_TINYBOY2, MKS_12864OLED_SSD1306)) \
  + ENABLED(SAV_3DLCD) \
  + ENABLED(BQ_LCD_SMART_CONTROLLER) \
  + ENABLED(SAV_3DGLCD) \
  + ENABLED(OLED_PANEL_TINYBOY2) \
  + ENABLED(ZONESTAR_LCD) \
  + ENABLED(ULTI_CONTROLLER) \
  + (ENABLED(EXTENSIBLE_UI) && DISABLED(MALYAN_LCD))
  #error "Please select no more than one LCD controller option."
#endif

/**
 * FYSETC Mini 12864 RGB backlighting required
 */
#if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) && DISABLED(RGB_LED)
  #error "RGB_LED is required for FYSETC_MINI_12864 1.2 and 2.0."
#elif EITHER(FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1) && DISABLED(LED_USER_PRESET_STARTUP)
  #error "LED_USER_PRESET_STARTUP is required for FYSETC_MINI_12864 2.x displays."
#endif

/**
 * Check existing CS pins against enabled TMC SPI drivers.
 */
#define INVALID_TMC2130(ST) (AXIS_DRIVER_TYPE(ST, TMC2130) && !PIN_EXISTS(ST##_CS))
#if INVALID_TMC2130(X)
  #error "TMC2130 on X requires X_CS_PIN."
#elif INVALID_TMC2130(X2)
  #error "TMC2130 on X2 requires X2_CS_PIN."
#elif INVALID_TMC2130(Y)
  #error "TMC2130 on Y requires Y_CS_PIN."
#elif INVALID_TMC2130(Y2)
  #error "TMC2130 on Y2 requires Y2_CS_PIN."
#elif INVALID_TMC2130(Z)
  #error "TMC2130 on Z requires Z_CS_PIN."
#elif INVALID_TMC2130(Z2)
  #error "TMC2130 on Z2 requires Z2_CS_PIN."
#elif INVALID_TMC2130(Z3)
  #error "TMC2130 on Z3 requires Z3_CS_PIN."
#elif INVALID_TMC2130(E0)
  #error "TMC2130 on E0 requires E0_CS_PIN."
#elif INVALID_TMC2130(E1)
  #error "TMC2130 on E1 requires E1_CS_PIN."
#elif INVALID_TMC2130(E2)
  #error "TMC2130 on E2 requires E2_CS_PIN."
#elif INVALID_TMC2130(E3)
  #error "TMC2130 on E3 requires E3_CS_PIN."
#elif INVALID_TMC2130(E4)
  #error "TMC2130 on E4 requires E4_CS_PIN."
#elif INVALID_TMC2130(E5)
  #error "TMC2130 on E5 requires E5_CS_PIN."
#endif
#undef INVALID_TMC2130

/**
 * Check existing RX/TX pins against enable TMC UART drivers.
 */
#define INVALID_TMC2208(ST) (AXIS_DRIVER_TYPE(ST, TMC2208) && !(defined(ST##_HARDWARE_SERIAL) || (PIN_EXISTS(ST##_SERIAL_RX, ST##_SERIAL_TX))))
#if INVALID_TMC2208(X)
  #error "TMC2208 on X requires X_HARDWARE_SERIAL or X_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(X2)
  #error "TMC2208 on X2 requires X2_HARDWARE_SERIAL or X2_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(Y)
  #error "TMC2208 on Y requires Y_HARDWARE_SERIAL or Y_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(Y2)
  #error "TMC2208 on Y2 requires Y2_HARDWARE_SERIAL or Y2_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(Z)
  #error "TMC2208 on Z requires Z_HARDWARE_SERIAL or Z_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(Z2)
  #error "TMC2208 on Z2 requires Z2_HARDWARE_SERIAL or Z2_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(Z3)
  #error "TMC2208 on Z3 requires Z3_HARDWARE_SERIAL or Z3_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E0)
  #error "TMC2208 on E0 requires E0_HARDWARE_SERIAL or E0_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E1)
  #error "TMC2208 on E1 requires E1_HARDWARE_SERIAL or E1_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E2)
  #error "TMC2208 on E2 requires E2_HARDWARE_SERIAL or E2_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E3)
  #error "TMC2208 on E3 requires E3_HARDWARE_SERIAL or E3_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E4)
  #error "TMC2208 on E4 requires E4_HARDWARE_SERIAL or E4_SERIAL_(RX|TX)_PIN."
#elif INVALID_TMC2208(E5)
  #error "TMC2208 on E5 requires E5_HARDWARE_SERIAL or E5_SERIAL_(RX|TX)_PIN."
#endif
#undef INVALID_TMC2208

/**
 * TMC2208 software UART and ENDSTOP_INTERRUPTS both use pin change interrupts (PCI)
 */
#if HAS_DRIVER(TMC2208) && ENABLED(ENDSTOP_INTERRUPTS_FEATURE) && !( \
       defined(X_HARDWARE_SERIAL ) \
    || defined(X2_HARDWARE_SERIAL) \
    || defined(Y_HARDWARE_SERIAL ) \
    || defined(Y2_HARDWARE_SERIAL) \
    || defined(Z_HARDWARE_SERIAL ) \
    || defined(Z2_HARDWARE_SERIAL) \
    || defined(Z3_HARDWARE_SERIAL) \
    || defined(E0_HARDWARE_SERIAL) \
    || defined(E1_HARDWARE_SERIAL) \
    || defined(E2_HARDWARE_SERIAL) \
    || defined(E3_HARDWARE_SERIAL) \
    || defined(E4_HARDWARE_SERIAL) \
    || defined(E5_HARDWARE_SERIAL) )
  #error "Select hardware UART for TMC2208 to use both TMC2208 and ENDSTOP_INTERRUPTS_FEATURE."
#endif

/**
 * TMC2208 software UART is only supported on AVR
 */
#if HAS_DRIVER(TMC2208) && !defined(__AVR__) && !defined(TARGET_LPC1768) && !( \
       defined(X_HARDWARE_SERIAL ) \
    || defined(X2_HARDWARE_SERIAL) \
    || defined(Y_HARDWARE_SERIAL ) \
    || defined(Y2_HARDWARE_SERIAL) \
    || defined(Z_HARDWARE_SERIAL ) \
    || defined(Z2_HARDWARE_SERIAL) \
    || defined(E0_HARDWARE_SERIAL) \
    || defined(E1_HARDWARE_SERIAL) \
    || defined(E2_HARDWARE_SERIAL) \
    || defined(E3_HARDWARE_SERIAL) \
    || defined(E4_HARDWARE_SERIAL) \
    || defined(E5_HARDWARE_SERIAL) )
  #error "TMC2208 Software Serial is supported only on AVR and LPC1768 platforms."
#endif

#if ENABLED(SENSORLESS_HOMING)
  // Require STEALTHCHOP for SENSORLESS_HOMING on DELTA as the transition from spreadCycle to stealthChop
  // is necessary in order to reset the stallGuard indication between the initial movement of all three
  // towers to +Z and the individual homing of each tower. This restriction can be removed once a means of
  // clearing the stallGuard activated status is found.
  #if ENABLED(DELTA) && !BOTH(STEALTHCHOP_XY, STEALTHCHOP_Z)
    #error "SENSORLESS_HOMING on DELTA currently requires STEALTHCHOP_XY and STEALTHCHOP_Z."
  #elif X_SENSORLESS && X_HOME_DIR == -1 && (!X_MIN_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_XMIN))
    #error "SENSORLESS_HOMING requires X_MIN_ENDSTOP_INVERTING and ENDSTOPPULLUP_XMIN when homing to X_MIN."
  #elif X_SENSORLESS && X_HOME_DIR ==  1 && (!X_MAX_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_XMAX))
    #error "SENSORLESS_HOMING requires X_MAX_ENDSTOP_INVERTING and ENDSTOPPULLUP_XMAX when homing to X_MAX."
  #elif Y_SENSORLESS && Y_HOME_DIR == -1 && (!Y_MIN_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_YMIN))
    #error "SENSORLESS_HOMING requires Y_MIN_ENDSTOP_INVERTING and ENDSTOPPULLUP_YMIN when homing to Y_MIN."
  #elif Y_SENSORLESS && Y_HOME_DIR ==  1 && (!Y_MAX_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_YMAX))
    #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_INVERTING and ENDSTOPPULLUP_YMAX when homing to Y_MAX."
  #elif Z_SENSORLESS && Z_HOME_DIR == -1 && (!Z_MIN_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_ZMIN))
    #error "SENSORLESS_HOMING requires Z_MIN_ENDSTOP_INVERTING and ENDSTOPPULLUP_ZMIN when homing to Z_MIN."
  #elif Z_SENSORLESS && Z_HOME_DIR ==  1 && (!Z_MAX_ENDSTOP_INVERTING || DISABLED(ENDSTOPPULLUP_ZMAX))
    #error "SENSORLESS_HOMING requires Z_MAX_ENDSTOP_INVERTING and ENDSTOPPULLUP_ZMAX when homing to Z_MAX."
  #elif ENDSTOP_NOISE_THRESHOLD
    #error "SENSORLESS_HOMING is incompatible with ENDSTOP_NOISE_THRESHOLD."
  #elif !(X_SENSORLESS || Y_SENSORLESS || Z_SENSORLESS)
    #error "SENSORLESS_HOMING requires a TMC stepper driver with StallGuard on X, Y, or Z axes."
  #endif
#endif

// Sensorless probing requirements
#if ENABLED(SENSORLESS_PROBING)
  #if ENABLED(DELTA) && !(X_SENSORLESS && Y_SENSORLESS && Z_SENSORLESS)
    #error "SENSORLESS_PROBING for DELTA requires TMC stepper drivers with StallGuard on X, Y, and Z axes."
  #elif !Z_SENSORLESS
    #error "SENSORLESS_PROBING requires a TMC stepper driver with StallGuard on Z."
  #endif
#endif

// Sensorless homing is required for both combined steppers in an H-bot
#if CORE_IS_XY && X_SENSORLESS != Y_SENSORLESS
  #error "CoreXY requires both X and Y to use sensorless homing if either does."
#elif CORE_IS_XZ && X_SENSORLESS != Z_SENSORLESS
  #error "CoreXZ requires both X and Z to use sensorless homing if either does."
#elif CORE_IS_YZ && Y_SENSORLESS != Z_SENSORLESS
  #error "CoreYZ requires both Y and Z to use sensorless homing if either does."
#endif

// Other TMC feature requirements
#if ENABLED(HYBRID_THRESHOLD) && !STEALTHCHOP_ENABLED
  #error "Enable STEALTHCHOP_(XY|Z|E) to use HYBRID_THRESHOLD."
#elif ENABLED(SENSORLESS_HOMING) && !HAS_STALLGUARD
  #error "SENSORLESS_HOMING requires TMC2130 or TMC2160 or TMC5160 stepper drivers."
#elif ENABLED(SENSORLESS_PROBING) && !HAS_STALLGUARD
  #error "SENSORLESS_PROBING requires TMC2130 stepper drivers."
#elif STEALTHCHOP_ENABLED && !HAS_STEALTHCHOP
  #error "STEALTHCHOP requires TMC2130 or TMC2160 or TMC2208 or TMC5160 stepper drivers."
#endif

#if ENABLED(DELTA) && (ENABLED(STEALTHCHOP_XY) != ENABLED(STEALTHCHOP_Z))
  #error "STEALTHCHOP_XY and STEALTHCHOP_Z must be the same on DELTA."
#endif

/**
 * Digipot requirement
 */
#if ENABLED(DIGIPOT_MCP4018)
  #if !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
    || !defined(DIGIPOTS_I2C_SDA_E0) || !defined(DIGIPOTS_I2C_SDA_E1)
      #error "DIGIPOT_MCP4018 requires DIGIPOTS_I2C_SDA_* pins to be defined."
  #endif
#endif

/**
 * Check per-axis initializers for errors
 */
constexpr float sanity_arr_1[] = DEFAULT_AXIS_STEPS_PER_UNIT,
                sanity_arr_2[] = DEFAULT_MAX_FEEDRATE,
                sanity_arr_3[] = DEFAULT_MAX_ACCELERATION;

#define _ARR_TEST(N,I) (sanity_arr_##N[MIN(I,int(COUNT(sanity_arr_##N))-1)] > 0)

static_assert(COUNT(sanity_arr_1) >= XYZE, "DEFAULT_AXIS_STEPS_PER_UNIT requires X, Y, Z and E elements.");
static_assert(COUNT(sanity_arr_1) <= XYZE_N, "DEFAULT_AXIS_STEPS_PER_UNIT has too many elements. (Did you forget to enable DISTINCT_E_FACTORS?)");
static_assert(   _ARR_TEST(1,0) && _ARR_TEST(1,1) && _ARR_TEST(1,2)
              && _ARR_TEST(1,3) && _ARR_TEST(1,4) && _ARR_TEST(1,5)
              && _ARR_TEST(1,6) && _ARR_TEST(1,7) && _ARR_TEST(1,8),
              "DEFAULT_AXIS_STEPS_PER_UNIT values must be positive.");

static_assert(COUNT(sanity_arr_2) >= XYZE, "DEFAULT_MAX_FEEDRATE requires X, Y, Z and E elements.");
static_assert(COUNT(sanity_arr_2) <= XYZE_N, "DEFAULT_MAX_FEEDRATE has too many elements. (Did you forget to enable DISTINCT_E_FACTORS?)");
static_assert(   _ARR_TEST(2,0) && _ARR_TEST(2,1) && _ARR_TEST(2,2)
              && _ARR_TEST(2,3) && _ARR_TEST(2,4) && _ARR_TEST(2,5)
              && _ARR_TEST(2,6) && _ARR_TEST(2,7) && _ARR_TEST(2,8),
              "DEFAULT_MAX_FEEDRATE values must be positive.");

static_assert(COUNT(sanity_arr_3) >= XYZE, "DEFAULT_MAX_ACCELERATION requires X, Y, Z and E elements.");
static_assert(COUNT(sanity_arr_3) <= XYZE_N, "DEFAULT_MAX_ACCELERATION has too many elements. (Did you forget to enable DISTINCT_E_FACTORS?)");
static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
              && _ARR_TEST(3,3) && _ARR_TEST(3,4) && _ARR_TEST(3,5)
              && _ARR_TEST(3,6) && _ARR_TEST(3,7) && _ARR_TEST(3,8),
              "DEFAULT_MAX_ACCELERATION values must be positive.");

#undef _ARR_TEST

#if BOTH(CNC_COORDINATE_SYSTEMS, NO_WORKSPACE_OFFSETS)
  #error "CNC_COORDINATE_SYSTEMS is incompatible with NO_WORKSPACE_OFFSETS."
#endif

#if !BLOCK_BUFFER_SIZE || !IS_POWER_OF_2(BLOCK_BUFFER_SIZE)
  #error "BLOCK_BUFFER_SIZE must be a power of 2."
#endif

#if ENABLED(LED_CONTROL_MENU) && DISABLED(ULTIPANEL)
  #error "LED_CONTROL_MENU requires an LCD controller."
#endif

#if ENABLED(CASE_LIGHT_USE_NEOPIXEL) && DISABLED(NEOPIXEL_LED)
  #error "CASE_LIGHT_USE_NEOPIXEL requires NEOPIXEL_LED."
#endif

#if ENABLED(SKEW_CORRECTION)
  #if !defined(XY_SKEW_FACTOR) && !(defined(XY_DIAG_AC) && defined(XY_DIAG_BD) && defined(XY_SIDE_AD))
    #error "SKEW_CORRECTION requires XY_SKEW_FACTOR or XY_DIAG_AC, XY_DIAG_BD, XY_SIDE_AD."
  #endif
  #if ENABLED(SKEW_CORRECTION_FOR_Z)
    #if !defined(XZ_SKEW_FACTOR) && !(defined(XZ_DIAG_AC) && defined(XZ_DIAG_BD) && defined(XZ_SIDE_AD))
      #error "SKEW_CORRECTION requires XZ_SKEW_FACTOR or XZ_DIAG_AC, XZ_DIAG_BD, XZ_SIDE_AD."
    #endif
    #if !defined(YZ_SKEW_FACTOR) && !(defined(YZ_DIAG_AC) && defined(YZ_DIAG_BD) && defined(YZ_SIDE_AD))
      #error "SKEW_CORRECTION requires YZ_SKEW_FACTOR or YZ_DIAG_AC, YZ_DIAG_BD, YZ_SIDE_AD."
    #endif
  #endif
#endif

#if ENABLED(POWER_LOSS_RECOVERY) && DISABLED(ULTIPANEL)
  #error "POWER_LOSS_RECOVERY currently requires an LCD Controller."
#endif

#if ENABLED(Z_STEPPER_AUTO_ALIGN)
  #if !Z_MULTI_STEPPER_DRIVERS
    #error "Z_STEPPER_AUTO_ALIGN requires Z_DUAL_STEPPER_DRIVERS or Z_TRIPLE_STEPPER_DRIVERS."
  #elif !HAS_BED_PROBE
    #error "Z_STEPPER_AUTO_ALIGN requires a Z-bed probe."
  #endif
  constexpr float sanity_arr_z_align_x[] = Z_STEPPER_ALIGN_X, sanity_arr_z_align_y[] = Z_STEPPER_ALIGN_Y;
  static_assert(
    COUNT(sanity_arr_z_align_x) == Z_STEPPER_COUNT && COUNT(sanity_arr_z_align_y) == Z_STEPPER_COUNT,
    "Z_STEPPER_ALIGN_[XY]POS settings require one element per Z stepper."
  );
#endif

#if ENABLED(PRINTCOUNTER) && DISABLED(EEPROM_SETTINGS)
  #error "PRINTCOUNTER requires EEPROM_SETTINGS. Please update your Configuration."
#endif

#if ENABLED(USB_FLASH_DRIVE_SUPPORT) && !PIN_EXISTS(USB_CS, USB_INTR)
  #error "USB_CS_PIN and USB_INTR_PIN are required for USB_FLASH_DRIVE_SUPPORT."
#endif

#if ENABLED(SD_FIRMWARE_UPDATE) && !defined(__AVR_ATmega2560__)
  #error "SD_FIRMWARE_UPDATE requires an ATmega2560-based (Arduino Mega) board."
#endif

#if ENABLED(GCODE_MACROS) && !WITHIN(GCODE_MACROS_SLOTS, 1, 10)
  #error "GCODE_MACROS_SLOTS must be a number from 1 to 10."
#endif

#if ENABLED(CUSTOM_USER_MENUS)
  #ifdef USER_GCODE_1
    constexpr char _chr1 = USER_GCODE_1[strlen(USER_GCODE_1) - 1];
    static_assert(_chr1 != '\n' && _chr1 != '\r', "USER_GCODE_1 cannot have a newline at the end. Please remove it.");
  #endif
  #ifdef USER_GCODE_2
    constexpr char _chr2 = USER_GCODE_2[strlen(USER_GCODE_2) - 1];
    static_assert(_chr2 != '\n' && _chr2 != '\r', "USER_GCODE_2 cannot have a newline at the end. Please remove it.");
  #endif
  #ifdef USER_GCODE_3
    constexpr char _chr3 = USER_GCODE_3[strlen(USER_GCODE_3) - 1];
    static_assert(_chr3 != '\n' && _chr3 != '\r', "USER_GCODE_3 cannot have a newline at the end. Please remove it.");
  #endif
  #ifdef USER_GCODE_4
    constexpr char _chr4 = USER_GCODE_4[strlen(USER_GCODE_4) - 1];
    static_assert(_chr4 != '\n' && _chr4 != '\r', "USER_GCODE_4 cannot have a newline at the end. Please remove it.");
  #endif
  #ifdef USER_GCODE_5
    constexpr char _chr5 = USER_GCODE_5[strlen(USER_GCODE_5) - 1];
    static_assert(_chr5 != '\n' && _chr5 != '\r', "USER_GCODE_5 cannot have a newline at the end. Please remove it.");
  #endif
#endif

#if ENABLED(BACKLASH_COMPENSATION) && IS_CORE
  #error "BACKLASH_COMPENSATION is incompatible with CORE kinematics."
#endif

#if ENABLED(GRADIENT_MIX) && MIXING_VIRTUAL_TOOLS < 2
  #error "GRADIENT_MIX requires 2 or more MIXING_VIRTUAL_TOOLS."
#endif

/**
 * Photo G-code requirements
 */
#if ENABLED(PHOTO_GCODE)
  #if (PIN_EXISTS(CHDK) + PIN_EXISTS(PHOTOGRAPH_PIN) + defined(PHOTO_SWITCH_POSITION)) > 1
    #error "Please define only one of CHDK_PIN, PHOTOGRAPH_PIN, or PHOTO_SWITCH_POSITION."
  #elif defined(PHOTO_SWITCH_POSITION) && !defined(PHOTO_POSITION)
    #error "PHOTO_SWITCH_POSITION requires PHOTO_POSITION. Please update your Configuration_adv.h."
  #elif PIN_EXISTS(CHDK) && defined(CHDK_DELAY)
    #error "CHDK_DELAY has been replaced by PHOTO_SWITCH_MS. Please update your Configuration_adv.h."
  #elif PIN_EXISTS(CHDK) && !defined(PHOTO_SWITCH_MS)
    #error "PHOTO_SWITCH_MS is required with CHDK_PIN. Please update your Configuration_adv.h."
  #elif defined(PHOTO_RETRACT_MM)
    static_assert(PHOTO_RETRACT_MM + 0 >= 0, "PHOTO_RETRACT_MM must be >= 0.");
  #endif
#endif

/**
 * Prusa MMU2 requirements
 */
#if ENABLED(PRUSA_MMU2)
  #if DISABLED(NOZZLE_PARK_FEATURE)
    #error "PRUSA_MMU2 requires NOZZLE_PARK_FEATURE."
  #elif EXTRUDERS != 5
    #error "PRUSA_MMU2 requires EXTRUDERS = 5."
  #elif DISABLED(ADVANCED_PAUSE_FEATURE)
    static_assert(nullptr == strstr(MMU2_FILAMENT_RUNOUT_SCRIPT, "M600"), "ADVANCED_PAUSE_FEATURE is required to use M600 with PRUSA_MMU2.");
  #endif
#endif

/**
 * Advanced PRINTCOUNTER settings
 */
#if ENABLED(PRINTCOUNTER)
  #if defined(SERVICE_INTERVAL_1) != defined(SERVICE_NAME_1)
    #error "Both SERVICE_NAME_1 and SERVICE_INTERVAL_1 are required."
  #elif defined(SERVICE_INTERVAL_2) != defined(SERVICE_NAME_2)
    #error "Both SERVICE_NAME_2 and SERVICE_INTERVAL_2 are required."
  #elif defined(SERVICE_INTERVAL_3) != defined(SERVICE_NAME_3)
    #error "Both SERVICE_NAME_3 and SERVICE_INTERVAL_3 are required."
  #endif
#endif

/**
 * Require soft endstops for certain setups
 */
#if DISABLED(MIN_SOFTWARE_ENDSTOPS) || DISABLED(MAX_SOFTWARE_ENDSTOPS)
  #if ENABLED(DUAL_X_CARRIAGE)
    #error "DUAL_X_CARRIAGE requires both MIN_ and MAX_SOFTWARE_ENDSTOPS."
  #elif HAS_HOTEND_OFFSET
    #error "MIN_ and MAX_SOFTWARE_ENDSTOPS are both required with offset hotends."
  #endif
#endif