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Instant Crash on Startup. Assertion Failed: Line 115

Development Discussion Unreal Engine 5 Early Access
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#1

Hi guys, I’m on Unreal Engine 5 early access. Today I attempted to add a line I found in the unreal documentation to the defaultengine file on my project. Now, every time I attempt to access the project, Unreal crashes. I removed the line I added, created a copy project, did a clean restart of my system but to no avail. Here is the full crash report. I really need some help here guys, I’ve been working on this project for weeks.

LoginId:25e5a94e4f74f7201da4229614347f57
EpicAccountId:957a9f9365b549c7a5e3046679224227

Assertion failed: IsInRenderingThread() [File:D:/build/++UE5/Sync/Engine/Source/Runtime/RenderCore/Private/RenderResource.cpp] [Line: 115]

UnrealEditor_RenderCore
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll

#2

Try to uninstall UE5 and reinstall. You can first also try to verify using the Epic games launcher. If that does not work, then reinstall.