Assertion failed: SceneData.AttachmentCounter.GetValue() == 0 [\Engine\Source\Runtime\Engine\Private\Components\PrimitiveComponent.cpp] [Line: 1612]
> UnrealEditor-Engine.dll!UPrimitiveComponent::FinishDestroy() Line 1612 C++
UnrealEditor-CoreUObject.dll!UObject::ConditionalFinishDestroy() Line 1238 C++
UnrealEditor-CoreUObject.dll!IncrementalDestroyGarbage(bool bUseTimeLimit, double TimeLimit) Line 4584 C++
UnrealEditor-CoreUObject.dll!IncrementalPurgeGarbage(bool bUseTimeLimit, double TimeLimit) Line 4471 C++
UnrealEditor-CoreUObject.dll!UE::GC::PostCollectGarbageImpl<1>(EObjectFlags KeepFlags) Line 5492 C++
UnrealEditor-CoreUObject.dll!UE::GC::FReachabilityAnalysisState::PerformReachabilityAnalysisAndConditionallyPurgeGarbage(bool bReachabilityUsingTimeLimit) Line 5678 C++
[Inline Frame] UnrealEditor-CoreUObject.dll!UE::GC::CollectGarbageInternal(EObjectFlags) Line 5235 C++
UnrealEditor-CoreUObject.dll!CollectGarbage(EObjectFlags KeepFlags, bool bPerformFullPurge) Line 5914 C++
UnrealEditor-UnrealEd.dll!UUnrealEdEngine::DeleteActors(const TArray<AActor *,TSizedDefaultAllocator<32>> & InActorsToDelete, UWorld * InWorld, UTypedElementSelectionSet * InSelectionSet, const bool bVerifyDeletionCanHappen, const bool bWarnAboutReferences, const bool bWarnAboutSoftReferences) Line 1217 C++
UnrealEditor-UnrealEd.dll!UActorElementEditorWorldInterface::DeleteElements(TArrayView<FTypedElementHandle const ,int> InElementHandles, UWorld * InWorld, UTypedElementSelectionSet * InSelectionSet, const FTypedElementDeletionOptions & InDeletionOptions) Line 84 C++
UnrealEditor-UnrealEd.dll!ITypedElementWorldInterface::DeleteElement(const FTypedElementHandle & InElementHandle, UWorld * InWorld, UTypedElementSelectionSet * InSelectionSet, const FTypedElementDeletionOptions & InDeletionOptions) Line 208 C++
[Inline Frame] UnrealEditor-UnrealEd.dll!TTypedElement<ITypedElementWorldInterface>::DeleteElement(UWorld *) Line 490 C++
UnrealEditor-UnrealEd.dll!FLevelEditorViewportClient::DestroyDropPreviewElements::__l2::<lambda_2>::operator()(const TTypedElement<ITypedElementWorldInterface> & InElement) Line 1717 C++
[Inline Frame] UnrealEditor-UnrealEd.dll!UE::Core::Private::Function::TFunctionRefBase<UE::Core::Private::Function::FFunctionRefStoragePolicy,bool __cdecl(TTypedElement<ITypedElementWorldInterface> const &)>::operator()(const TTypedElement<ITypedElementWorldInterface> &) Line 470 C++
UnrealEditor-UnrealEd.dll!TTypedElementList<FTypedElementHandle>::ForEachElement<ITypedElementWorldInterface>(TFunctionRef<bool __cdecl(TTypedElement<ITypedElementWorldInterface> const &)> InCallback) Line 288 C++
UnrealEditor-UnrealEd.dll!FLevelEditorViewportClient::DestroyDropPreviewElements() Line 1735 C++
UnrealEditor-LevelEditor.dll!SLevelViewport::HandlePlaceDraggedObjects(const FGeometry & MyGeometry, const FDragDropEvent & DragDropEvent, bool bCreateDropPreview) Line 1071 C++
UnrealEditor-LevelEditor.dll!SLevelViewport::OnDrop(const FGeometry & MyGeometry, const FDragDropEvent & DragDropEvent) Line 1161 C++
UnrealEditor-Slate.dll!FSlateApplication::RoutePointerUpEvent::__l10::<lambda_3>::operator()(const FArrangedWidget & CurWidget, const FPointerEvent & Event) Line 5373 C++
UnrealEditor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,`FSlateApplication::RoutePointerUpEvent'::`10'::<lambda_3>>(FSlateApplication * ThisApplication, FEventRouter::FBubblePolicy RoutingPolicy, FPointerEvent EventCopy, const FSlateApplication::RoutePointerUpEvent::__l10::<lambda_3> & Lambda, ESlateDebuggingInputEvent DebuggingInputEvent) Line 448 C++
UnrealEditor-Slate.dll!FSlateApplication::RoutePointerUpEvent(const FWidgetPath & WidgetsUnderPointer, const FPointerEvent & PointerEvent) Line 5368 C++
UnrealEditor-Slate.dll!FSlateApplication::ProcessMouseButtonUpEvent(const FPointerEvent & MouseEvent) Line 5895 C++
UnrealEditor-Slate.dll!FSlateApplication::OnMouseUp(const EMouseButtons::Type Button, const UE::Math::TVector2<double> CursorPos) Line 5851 C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::ProcessDeferredMessage(const FDeferredWindowsMessage & DeferredMessage) Line 2253 C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::DeferMessage(TSharedPtr<FWindowsWindow,1> & NativeWindow, HWND__ * InHWnd, unsigned int InMessage, unsigned __int64 InWParam, __int64 InLParam, int MouseX, int MouseY, unsigned int RawInputFlags) Line 2765 C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::ProcessMessage(HWND__ * hwnd, unsigned int msg, unsigned __int64 wParam, __int64 lParam) Line 1926 C++
[Inline Frame] UnrealEditor-ApplicationCore.dll!WindowsApplication_WndProc(HWND__ *) Line 930 C++
UnrealEditor-ApplicationCore.dll!FWindowsApplication::AppWndProc(HWND__ * hwnd, unsigned int msg, unsigned __int64 wParam, __int64 lParam) Line 936 C++