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Editor crash

Crash Log:

UE4Editor_CoreUObject!UGCObjectReferencer::AddReferencedObjects() [D:\Build\++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\Misc\GCObjectReferencer.cpp:31]
UE4Editor_CoreUObject!TFastReferenceCollector<FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,1>::ProcessObjectArray() [D:\Build\++UE4\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\FastReferenceCollector.h:881]
UE4Editor_CoreUObject!TFastReferenceCollector<FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,1>::FCollectorTaskQueue::DoTask() [D:\Build\++UE4\Sync\Engine\Source\Runtime\CoreUObject\Public\UObject\FastReferenceCollector.h:403]
UE4Editor_CoreUObject!TGraphTask<TFastReferenceCollector<FGCReferenceProcessor<1>,FGCCollector<1>,FGCArrayPool,1>::FCollectorTaskProcessorTask>::ExecuteTask() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Async\TaskGraphInterfaces.h:886]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:1065]
UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:888]
UE4Editor_Core!FTaskThreadAnyThread::Run() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:965]
UE4Editor_Core!FRunnableThreadWin::Run() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:86]

It happens always when I end the game in the editor.
Help me please.