Compiling Configuration.h when i run this i get errors
1 Error while detecting libraries ..\sketch\src\gcode..... everything with ref to gcode
2,,,sketch\src\module........
3 fork/exec D:\arduino\hardware\tools\avr/bin/avr-gcc.exe: The filename or extension is too long.
Error compiling for board Arduino Mega or Mega 2560.
the board i am trying to update is an MK" Gen L V1
The reason for the error is that the hundreds of files in your 3D printer firmware cause the compilation command to exceed the Windows maximum command length of 32767 characters.
Arduino is aware of this issue and has made a fix. However, there hasn't been a release of the Arduino IDE since the fix was made. So you'll need to use the hourly build of the Arduino IDE. You can download it here: