Fatal error: [File:C:\Program Files\UnrealEngine\Engine\Source\Runtime\CoreUObject\Private\UObject\GarbageCollection.cpp] [Line: 652] Invalid object in GC: 0x000069b4a3b076af, ReferencingObject: NULL, ReferencingProperty: NULL

UE4Editor_Core!FDebug::AssertFailed() [c:\program files\unrealengine\engine\source\runtime\core\private\misc\assertionmacros.cpp:425]
UE4Editor_CoreUObject!FGCCollector<1>::HandleObjectReference() [c:\program files\unrealengine\engine\source\runtime\coreuobject\private\uobject\garbagecollection.cpp:661]
UE4Editor_CoreUObject!UObject::AddReferencedObjects() [c:\program files\unrealengine\engine\source\runtime\coreuobject\private\uobject\garbagecollection.cpp:1705]
UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::ProcessObjectArray() [c:\program files\unrealengine\engine\source\runtime\coreuobject\public\uobject\fastreferencecollector.h:776]
UE4Editor_CoreUObject!TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::FCollectorTaskQueue::DoTask() [c:\program files\unrealengine\engine\source\runtime\coreuobject\public\uobject\fastreferencecollector.h:378]
UE4Editor_CoreUObject!TGraphTask<TFastReferenceCollector<1,FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,0>::FCollectorTaskProcessorTask>::ExecuteTask() [c:\program files\unrealengine\engine\source\runtime\core\public\async\taskgraphinterfaces.h:829]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [c:\program files\unrealengine\engine\source\runtime\core\private\async\taskgraph.cpp:936]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [c:\program files\unrealengine\engine\source\runtime\core\private\async\taskgraph.cpp:801]
UE4Editor_Core!FTaskThreadBase::Run() [c:\program files\unrealengine\engine\source\runtime\core\private\async\taskgraph.cpp:516]
UE4Editor_Core!FRunnableThreadWin::Run() [c:\program files\unrealengine\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]