Windows runtime Load GroomAsset in pak files crash

Development Programming & Scripting C++
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1

I cook metahuman resources ,then use pakfile to pak the resources to pak file .At runtime,I mount the pak file,load the groom asset cause the app crash,anyone knows the reason?
the crash log as follows:

[2023.11.06-07.08.52:264][ 0]LogWindows: Error: === Critical error: ===
[2023.11.06-07.08.52:264][ 0]LogWindows: Error:
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: Fatal error!
[2023.11.06-07.08.52:264][ 0]LogWindows: Error:
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x0000000000000003
[2023.11.06-07.08.52:264][ 0]LogWindows: Error:
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611e3060 LiveAction_UE.exe!FHairStrandsClusterCullingBulkData::Validate()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611d6c8a LiveAction_UE.exe!FHairStrandsClusterCullingResource::InternalAllocate()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611cc50e LiveAction_UE.exe!FHairCommonResource::Allocate()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611c8ede LiveAction_UE.exe!operator<<()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611ddd4b LiveAction_UE.exe!TArray<FBulkDataBatchRequest,TSizedDefaultAllocator<32> >::ResizeTo()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6611dacbd LiveAction_UE.exe!ProcessHairStrandsBookmark()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff665f22d32 LiveAction_UE.exe!FSceneRenderer::PreVisibilityFrameSetup()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff665efc9ae LiveAction_UE.exe!FDeferredShadingSceneRenderer::BeginInitViews()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6653a62bd LiveAction_UE.exe!FDeferredShadingSceneRenderer::Render()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff665ec7695 LiveAction_UE.exe!FSceneRenderer::RenderThreadEnd()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff665e953e7 LiveAction_UE.exe!<lambda_11499aae5c016fa4cdeb77c1659e983a>::operator()()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff665eb71f3 LiveAction_UE.exe!TBaseStaticDelegateInstance<void __cdecl(wchar_t const * __ptr64,IConsoleObject * __ptr64),FDefaultDelegateUserPolicy,unsigned int * __ptr64>::ExecuteIfSafe()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6639e63b7 LiveAction_UE.exe!FNamedTaskThread::ProcessTasksNamedThread()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6639e68ce LiveAction_UE.exe!FNamedTaskThread::ProcessTasksUntilQuit()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6672a35aa LiveAction_UE.exe!RenderingThreadMain()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff6672a88a9 LiveAction_UE.exe!FRenderingThread::Run()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff66402c992 LiveAction_UE.exe!FRunnableThreadWin::Run()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ff664022a60 LiveAction_UE.exe!FRunnableThreadWin::GuardedRun()
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ffe8ca87344 KERNEL32.DLL!UnknownFunction
[2023.11.06-07.08.52:264][ 0]LogWindows: Error: [Callstack] 0x00007ffe8d4426b1 ntdll.dll!UnknownFunction
[2023.11.06-07.08.52:264][ 0]LogWindows: Error:

2

Hi, I’m doing the same thing you’re doing. Are you making any progress

3

I found the reason,I mount the pak file ,load the groom asset ,then I unmount the pak file ,causing the app to crash .I hope this answer is useful to you.