#error "BOARD_RAMPS_LONGER3D_LK4PRO is now BOARD_LONGER3D_LKx_PRO. Please update your configuration."
#elif MB(BTT_SKR_V2_0)
#error "BTT_SKR_V2_0 is now BTT_SKR_V2_0_REV_A or BTT_SKR_V2_0_REV_B. See https://bit.ly/3t5d9JQ for more information. Please update your configuration."
#elif defined(MOTHERBOARD)
#error "Unknown MOTHERBOARD value set in Configuration.h."
#else
#error "Unknown MOTHERBOARD value set in Configuration.h"
#error "MOTHERBOARD not defined! Use '#define MOTHERBOARD BOARD_...' in Configuration.h."