on all...
For the sake of the experiment, could you rename the Maps folder to Test and check if it works without "unofficial" maps?!
Then, you also need to make sure that only mods compatible with NCF are in the UserMODs folder, and of course, in the data folder.
To speed up the troubleshooting process, you can take screenshots of these folders so that the file names, dates, and sizes are visible!

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Неудачное планирование ведёт к неудаче ...
NCF - мод, добавляющий дополнительных существ в HeroesV 3.1