In the version of Marlin I have here, that first error line is in boards.h.
The problem is with "BOARD_##board" -- you can't have # characters in a name. You need to replace BOARD_##board with the name of your board (e.g. BOARD_ULTIMAKER).
I guess that somehow the boards.h that you edited has been overwritten with the default
The problem is with "BOARD_##board" -- you can't have # characters in a name. You need to replace BOARD_##board with the name of your board (e.g. BOARD_ULTIMAKER).
I guess that somehow the boards.h that you edited has been overwritten with the default