Cooking / Packing fails

Development Platform & Builds
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Hello,
I wanted to package a “basic” game (IE : I tried to pack the 1st player template just to see if it works - I’m on UE5.4), and impossible to make it. I get the following issue at the end. If you have any idea… Thanks!

LogCook: Display: Cooked packages 679 Packages Remain 83 Total 762
LogMaterial: Display: Missing cached shadermap for M_GreyBall in PCD3D_SM5, Default, SM5, Game (DDC key hash: de46a7dbda93b127cf500ab646c895f8bc2a3e32), compiling.
LogCook: Display: Cooked packages 681 Packages Remain 81 Total 762
LogCook: Display: Cooked packages 683 Packages Remain 79 Total 762
LogMaterial: Display: Missing cached shadermap for FlattenMaterial_WS_Normal_VT in PCD3D_SM5, Default, SM5, Game (DDC key hash: 74ff9340dba993b083571abfb40896b7378f3fce), compiling.
LogThreadingWindows: Error: Runnable thread Background Worker #22 crashed.
LogWindows: Error: begin: stack for UAT
LogWindows: Error: === Critical error: ===
LogWindows: Error:
LogWindows: Error: Fatal error!
LogWindows: Error:
LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000000
LogWindows: Error:
LogWindows: Error: [Callstack] 0x00007ffb639a25c5 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399d896 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399fd8d UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a1eed UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a0f6f UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399ff06 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a1eed UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a0f6f UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399ff06 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a1eed UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb639a0f6f UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399ff06 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399f8f6 UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb6399505b UnrealEditor-ShaderPreprocessor.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb638e7774 UnrealEditor-ShaderCompilerCommon.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb638f81aa UnrealEditor-ShaderCompilerCommon.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb9fd5475e UnrealEditor-RenderCore.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb9fd34972 UnrealEditor-RenderCore.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb7e67f8b3 UnrealEditor-Engine.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb7e6a0835 UnrealEditor-Engine.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb7cfd8c4e UnrealEditor-Engine.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb7cf6d7a4 UnrealEditor-Engine.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb95c02485 UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb95c021bf UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb95c2a115 UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb95bf2390 UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb95df6b13 UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb9625b7ad UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffb9624f127 UnrealEditor-Core.dll!UnknownFunction
LogWindows: Error: [Callstack] 0x00007ffc7846257d KERNEL32.DLL!UnknownFunction
LogWindows: Error:
LogWindows: Error: Crash in runnable thread Background Worker #22
LogWindows: Error: end: stack for UAT

1 Like
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Greetings @TitamFR1

Some of these EXCEPTION_ACCESS_VIOLATION errors can be a bit of 'process of elimination to solve. I usually start by deleting any intermediate or saved folders inside your project folder then try again. If that fails, I’d consider trying the project in a different version of UE and see if it continues there. Also ensure that your GPU drivers are all up to date. If it continues to happen through all of that, I’d go in and try changing to DirectX 11 (If you’re running 12) and try packaging again. Let me know if that resolves it for you. If not, please provide your system specs upon reply. Thanks!

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To follow up, I’d also recommend you double check if you moved any of your texture files or deleted them. Make sure your settings are still valid in all of your materials.

1 Like
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Thank you, I will make some tests and keep you posted :slight_smile:

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