Thank you very much for the answer, but it's a pity that it didn't help, because I don't use cutscenes before starting maps. I just wondered: is this a bug of the engine itself or what could be the cause? I've been trying to fix this error for several days, but it doesn't work.
Viewing post in Issue with "Build and Pack" feature
you might be more likely to get an answer on the discord https://discord.gg/dMd8e6bA
it's been a while since i've used efpse