Error when attempting to validate project

Summary

When attempting to Validate my project UEFN crashes during the validation process, throwing the following crash error.

Fatal error: [File:D:\build++Fortnite\Sync\Engine\Source\Runtime\Core\Private\Serialization\LargeMemoryReader.cpp] [Line: 22]
Tried to initialize an FLargeMemoryReader with a null or empty buffer. Archive name: None.

0x00007ff6e9359fdc UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e4512121 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e4511f12 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e44bcc20 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e44e5665 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6dd422e74 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6dd417974 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6dd41a965 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e914ba17 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e913c3c6 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e91e46a4 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e939f9f7 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ff6e939858a UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
0x00007ffff4867374 KERNEL32.DLL!UnknownFunction

Crash in runnable thread Background Worker #0
Crash in runnable thread Foreground Worker #0

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Other

Steps to Reproduce

  1. Open UEFN
  2. Open a project
  3. Click “Launch Game”

Expected Result

I expect that UEFN will validate the project, launch Fortnite, and enter Editing Mode of the game.

Observed Result

During the validation process UEFN instead crashes, displaying a crash report with the listed error log.

Platform(s)

PC

1 Like

Hello.

I have the same error as you. Did you resolve the error?

It will help me a lot, thanks