This is particularly weird because in my current save game I don't even own or have a combine, and at the time I was trying to play I was actually trying to seed a field, so definitely not using a ...
2020-11-07 20:06 game/mods/FS19_Courseplay/CombineUnloadManager.lua:57: attempt to call method 'is_a' (a nil value) 2020-11-07 20:06 Error: Running LUA method 'update ...