Description

A licensee has reported that when using multiprocess cook on a project with ACLDatabase as their animation compression scheme, the project will assert on load.

Assert from a sample project using the ThirdPerson content setup:
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: end: stack for UAT
[2024.11.01-17.35.15:288][ 0]LogWindows: Error:
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ffb4aec257d KERNEL32.DLL!UnknownFunction []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff7935df82a MyProject.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f86fec4 MyProject.exe!WinMain() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f85fbe5 MyProject.exe!LaunchWindowsStartup() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f85d01a MyProject.exe!GuardedMainWrapper() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f85ce7c MyProject.exe!GuardedMain() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f8400f1 MyProject.exe!FEngineLoop::Init() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78e1dfb01 MyProject.exe!UGameEngine::Start() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78e1e01c1 MyProject.exe!UGameInstance::StartGameInstance() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78efb4455 MyProject.exe!UEngine::Browse() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f03230f MyProject.exe!UEngine::LoadMap() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f177b11 MyProject.exe!UWorld::BeginPlay() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78e1bbe61 MyProject.exe!AGameStateBase::HandleBeginPlay() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f266d27 MyProject.exe!AWorldSettings::NotifyBeginPlay() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78d87fcaf MyProject.exe!AActor::DispatchBeginPlay() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78e1aad4c MyProject.exe!UGameEngine::Exec() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78efe0140 MyProject.exe!UEngine::Exec() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff787f50f4f MyProject.exe!FConsoleManager::ProcessUserConsoleInput() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff787f38cf6 MyProject.exe!FConsoleCommandWithArgs::Execute() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f943041 MyProject.exe!TBaseRawMethodDelegateInstance<0,FACLPlugin,void __cdecl(TArray<FString,TSizedDefaultAllocator<32> > const & __ptr64),FDefaultDelegateUserPolicy>::ExecuteIfSafe() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f945be5 MyProject.exe!FACLPlugin::SetDatabaseVisualFidelity() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: [Callstack] 0x00007ff78f945e08 MyProject.exe!UAnimationCompressionLibraryDatabase::SetVisualFidelityImpl() []
[2024.11.01-17.35.15:288][ 0]LogWindows: Error:
[2024.11.01-17.35.15:288][ 0]LogWindows: Error:
[2024.11.01-17.35.15:288][ 0]LogWindows: Error:
[2024.11.01-17.35.15:288][ 0]LogWindows: Error: Assertion failed: DatabaseContext.is_initialized() [Link Removed] [Line: 647]

Steps to Reproduce
  • Create a project using the ThirdPerson content example.
  • Enable the Animation Compression Library
  • Follow the setup for the animation compression library database off of Epic documentation.
  • Save project
  • Attempt to cook and launch on windows.

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Unresolved
ComponentUE - Runtime - Animation
Affects Versions5.4.4
CreatedNov 1, 2024
UpdatedSep 8, 2026
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