when i exported my half unfinished mod and opened hoi4 it closed on me saying there was a problem

Help

Do you have error logs?

You made the supported version number sort of wrong. I suggest you replace it with "1.17.*" or "1.17.3". There should be 2 dots, not 3.


[12:30:19][no_game_date][dlc.cpp:222]: Invalid supported_version in  file: mod/ugc_2393439171.mod line: 10