Fatal Error: Rendering thread exception only on packaged Windows

Hello! I need some help.

Im getting a fatal error when i Start a Packaged game:

Fatal error: [File:D:\build\++UE5\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 953] 
Rendering thread exception:
Assertion failed: StartIndex >= 0 && StartIndex <= Array.Num() [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Public\Containers\BitArray.h] [Line: 1781] 


2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d414606b StarterFactory.exe!FSceneViewState::TrimHistoryRenderTargets() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d49047da StarterFactory.exe!FSceneRenderer::PostVisibilityFrameSetup() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d48fd408 StarterFactory.exe!FDeferredShadingSceneRenderer::InitViews() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d3e0ce98 StarterFactory.exe!FDeferredShadingSceneRenderer::Render() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d48af61a StarterFactory.exe!FSceneRenderer::RenderThreadEnd() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d4882bea StarterFactory.exe!<lambda_11499aae5c016fa4cdeb77c1659e983a>::operator()() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d489f27e StarterFactory.exe!TBaseStaticDelegateInstance<void __cdecl(wchar_t const * __ptr64,IConsoleObject * __ptr64),FDefaultDelegateUserPolicy,unsigned int & __ptr64>::ExecuteIfSafe() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d23e06f4 StarterFactory.exe!FNamedTaskThread::ProcessTasksNamedThread() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d23e0c0e StarterFactory.exe!FNamedTaskThread::ProcessTasksUntilQuit() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d5bbf175 StarterFactory.exe!RenderingThreadMain() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d5bc2619 StarterFactory.exe!FRenderingThread::Run() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d2a68dd2 StarterFactory.exe!FRunnableThreadWin::Run() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007ff7d2a60bd0 StarterFactory.exe!FRunnableThreadWin::GuardedRun() []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007fff4f377614 KERNEL32.DLL!UnknownFunction []
[2023.02.19-12.04.09:994][  0]LogWindows: Error: [Callstack] 0x00007fff503026a1 ntdll.dll!UnknownFunction []




I can play normally without warnings or errors in Standalone and in the Viewport. It packs for WINDOWS without any errors too. Is it related to material

Unreal Engine 5.1.1 . Only blueprint project. Full log uploaded. 
[StarterFactory.log|attachment](upload://10jEAhJQHnKZttmk8TypIxJzr2g.log) (93.3 KB)

Thats the log when i play Standalone (and works):
[StarterFactory_2.log|attachment](upload://wuI3c7reGDDu9KqZfcVtYVzLdKU.log) (155.1 KB)



Thank you very much.
1 Like

Im seen this line of world grid material log, very strange, dont know if have something to do with it.

[2023.02.18-12.34.48:253][ 0]LogMaterial: Display: WorldGridMaterial-SM6-Default: 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I verified the Unreal Engine 5.1.1 files, and all is working now.

1 Like

Hey MayorAquila, thanks for posting your problem and solution.
I ran into the exact same issue with 5.1.1 and after much frustration verifying my engine files fixed it.