Unreal Editor for Fortnite Crashes on Launch Constantly

General Issues and Bug Reporting
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Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Summary

On launch, the UEFN will crash, reporting about a corrupt pak index for two files. Removing these two files will allow the game to launch, however after roughly 24 hours, the editor needs to be repaired, which can sometimes take upwards to 20 minutes, and upon repairing it will replace those corrupt files. I wish to stop the constant repairing of the UEFN so I can launch consistently.

Steps to Reproduce

  1. Run Windows 11
  2. Download UEFN
  3. Launch UEFN

Expected Result

Launch UEFN

Observed Result

produces the following error code:

LoginId:585993bb486939fe4538c282729b3cbb
EpicAccountId:670699e12a3a475e8db082c24bbdb4b0

Fatal error: [File:D:\build++Fortnite\Sync\Engine\Source\Runtime\PakFile\Private\IPlatformFilePak.cpp] [Line: 6069]
Corrupt pak index detected on pak file: …/…/…/FortniteGame/Content/Paks/pakchunkscb_ExtRefoptional-WindowsClient.pak

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