UEFN Crashes When Launching Project!

Summary

I go to launch my project and it gives me a crash every time at 99% i can launch other projects and everything but not this one after the recent update.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

I go to launch my project and it gives me a crash every time at 99%

Expected Result

It would launch I would think

Observed Result

Crash

Platform(s)

PC