UEFN Crashes when running Fix-Up on Random Item Placer Validation Errors

General Issues and Bug Reporting
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Summary

Everytime I run fixup on Item Placers, my UEFN crashes. I have validation errors about illegal references on item players (which have no functions linked). I also had another issue with item placers to do with only being able to interact with them on one side (not sure if this is a related issue).

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Devices

Steps to Reproduce

Place down item placers and try to launch a session

Expected Result

No validation errors with Item Placers

Observed Result

Validation errors, when you run fixup your UEFN crashes.

Platform(s)

PC

Island Code

N/A

Additional Notes

Fatal error: [File:Z:\UEVFS\Root\Engine\Source\Runtime\D3D12RHI\Private\D3D12DescriptorCache.cpp] [Line: 733]
Missing uniform buffer at slot 2, stage SF_Vertex. Please check the high level drawing code. Hashes: Vertex: AF7DFA68AB5F91D04982CDB19EDFDC454C27AA17, Pipeline: 5AC0041664FEA332068007FDD29F102F59EC0A5E.

0x00007fff4dbcbe88 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff4dc1453b UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff4dbc4cd0 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51b96ca4 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51ba9e4f UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51b973ae UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff48c8278b UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff46fc2ae7 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff46fb8c78 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff46fbb197 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51d68cc4 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51d52e55 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51dfb394 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51fcd0e7 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007fff51fcc629 UnrealEditorFortnite-Engine-Win64-Shipping.dll!UnknownFunction
0x00007ff8003d7374 KERNEL32.DLL!UnknownFunction

Crash in runnable thread Background Worker #11

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2 Likes
3

FORT-1012515 has been created and its status is ‘Unconfirmed’. This is now in a queue to be reproduced and confirmed.

1 Like
4

I had the same problem, i hope epic fix it soon

2 Likes
5

I spent 15 hours on my map update, and this was my final step. I wanted to release the map update on Saturday and now I have to wait a whole week minimum to update it.

1 Like
6

I had same issue and found the fix. Just replace Lawless, Heisted and Unstable Weapons with other weapons and launcher (if you find same issue, restart and try launch session again)