Update Warnings.cpp
@ -563,3 +563,10 @@
#if HAS_LCD_CONTRAST && LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX
#warning "Contrast cannot be changed when LCD_CONTRAST_MIN >= LCD_CONTRAST_MAX."
#endif
/**
* Maple environment
*/
#ifdef __STM32F1__
#warning "Maple build environments are deprecated. Please use a non-Maple build environment. Report issues to the Marlin Firmware project."