Ue4 crashing on startup?

Hey guys,
So I’ve been having this issue where one day I close my project. I then launch it again and while “initializing” it freezes at either 72 or 73% and then crashes. I’ve tried everything and this is the second time I’ve experienced this. The first time was on version 4.20.3 and now in 4.21.1. Please help me as I have a game project that I really need to get back! Reinstalling the engine did not work.


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