Fortnite Crashen when starting UEFN Session

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Summary

I had a couple of errors when i imported a model from sketchfab i then deleted it and the errors got away but now everytime i try to launch a UEFN Sessions it loads into loading screen and the FN crashes, same happens when i publish map and join FN crashes

Steps to Reproduce

Open Project
Launch Session

Expected Result

Fortnite launches Session

Observed Result

Fortnite Crashes

Platform(s)

PC

Island Code

1008-6221-2593