Crash on project startup

So, I was working with the project normally and I close UE (I had added to my main level some destructible meshes I imported from Apex and I made a construction script to more easily displace some of those destructible meshes), 2 hours later I come back to open the project and I get the following message “An Unreal process has crashed”, I have no idea what caused this and what I can do to fix it, can someone help me? If more specific information is needed I will be happy to provide it, I will also link to a pastebin of the log.

log: UE4 crash on project startup log - Pastebin.com

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Thanks