UEFN crashes after launch session!! (It started after version 29.00)

Reference ID

48cb6a12-4c15-9056-fd43-82bf715a9dab

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Summary

UEFN crashes every time I launch a session and it’s happening after the update 29.00
I tried removing the whole app and reinstalling, I tried different solutions in forums here to try and fix this issue but nothing helps!
the crash happens when the project is being upload to the Fortnite server to launch a session.
the crash does NOT happen when I upload the project to my revision control.

Steps to Reproduce

Launch a session
UEFN starts uploading the project
Half way through the upload UEFN crashes

Expected Result

Launch a session
UEFN starts uploading the project
Upload succeeded and session launched

Observed Result

UEFN crashes half way through uploading and the crash report page pop up with this message:

LoginId:278e729d4bdc0c8b9c833cabb6d53d67
EpicAccountId:5e91f95f382a4b1f8f2f468e28aed48a

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000000

UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
UnrealEditorFortnite_Win64_Shipping
kernel32
ntdll

Platform(s)

PC/Windows 11 pro version 23H2 (build22631.2428)

Additional Notes

This problem started happening after the version 29.00
Keeps happening even after I removed all my imported assets from the project

The status of FORT-725018 incident has been moved from ‘Ready for QA’ to ‘Closed’. Resolution Reason: ‘Duplicate’

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