Game randomly crashes

My Project recently crashes randomly :frowning:
Google coudn’t help me. Can anyone help me? Here is the crash log:


    Assertion failed: !IsRunningParallelEvaluation() [File:D:\BuildFarm\buildmachine_++UE4+Release-4.11\Engine\Source\Runtime\Engine\Private\Animation\AnimInstance.cpp] [Line: 965] 
    
    
    
    UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\core\private\misc\outputdevice.cpp:430]
    UE4Editor_Engine!UAnimInstance::BeginDestroy() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\engine\private\animation\animinstance.cpp:968]
    UE4Editor_CoreUObject!UObject::ConditionalBeginDestroy() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\coreuobject\private\uobject\obj.cpp:662]
    UE4Editor_CoreUObject!CollectGarbageInternal() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\coreuobject\private\uobject\garbagecollection.cpp:1298]
    UE4Editor_CoreUObject!CollectGarbage() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\coreuobject\private\uobject\garbagecollection.cpp:1336]
    UE4Editor_UnrealEd!UEditorEngine::EndPlayMap() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\playlevel.cpp:375]
    UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\editorengine.cpp:977]
    UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\unrealed\private\unrealedengine.cpp:370]
    UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launchengineloop.cpp:2643]
    UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launch.cpp:142]
    UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
    UE4Editor!WinMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
    UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
    kernel32
    ntdll

Any help would be much appreciated :slight_smile:

I am desperate for help here since the game is not playable like this:( Tell me if you need more informations.