I always get an error Text in the EFI partition

[Abukasim]

Almost everything is working fine, but these errors concern me, maybe I can fix them with your help

 

[EliteMacx86]

Almost everything is working fine, but these errors concern me, maybe I can fix them with your help

Probably, that's the logging file, not the errors. You can disable the logging by setting the Target to 3 instead of 67 or other values in the Misc>Debug section of your config.plist.