Dragging a BP actor containing a child actor component of an actor class with a static mesh as its root component into the scene viewport will cause artifacts and hit SceneData.AttachmentCounter.GetValue() == 0 in UPrimitiveComponent::FinishDestroy.
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++
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-221432 in the post.
| 0 |
| Component | UE - Gameplay - Components |
|---|---|
| Target Fix | 5.6 |
| Created | Aug 8, 2024 |
|---|---|
| Updated | Aug 19, 2024 |