Crash at SSceneOutliner::SortItems

Hello. I found a some crash but I do not know how to reproduce it. I am playing my project in PIE, development editor build.

 	UE4Editor-Core.dll!rml::internal::FreeBlockPool::insertBlock(class rml::internal::Block *)	Unknown
>	UE4Editor-Core.dll!scalable_realloc()	Unknown
 	UE4Editor-Core.dll!FMallocTBB::Realloc(void * Ptr, unsigned __int64 NewSize, unsigned int Alignment) Line 85	C++
 	UE4Editor-Core.dll!FHeapAllocator::ForAnyElementType::ResizeAllocation(int PreviousNumElements, int NumElements, unsigned __int64 NumBytesPerElement) Line 357	C++
 	UE4Editor-SceneOutliner.dll!TArray<wchar_t,FDefaultAllocator>::CopyToEmpty<wchar_t,FDefaultAllocator>(const TArray<wchar_t,FDefaultAllocator> & Source, int PrevMax, int ExtraSlack) Line 2416	C++
 	UE4Editor-SceneOutliner.dll!SceneOutliner::FItemLabelColumn::SortItems::__l2::<lambda>(const SceneOutliner::ITreeItem & Item) Line 620	C++
 	UE4Editor-SceneOutliner.dll!UE4Function_Private::TFunctionRefCaller<SceneOutliner::FNumericStringWrapper <lambda>(const SceneOutliner::ITreeItem &),SceneOutliner::FNumericStringWrapper __cdecl(SceneOutliner::ITreeItem const & __ptr64)>::Call(void * Obj, const SceneOutliner::ITreeItem & <Params_0>) Line 295	C++
 	UE4Editor-SceneOutliner.dll!UE4Function_Private::TFunctionRefBase<TFunction<SceneOutliner::FNumericStringWrapper __cdecl(SceneOutliner::ITreeItem const & __ptr64)>,SceneOutliner::FNumericStringWrapper __cdecl(SceneOutliner::ITreeItem const & __ptr64)>::operator()(const SceneOutliner::ITreeItem & <Params_0>) Line 342	C++
 	UE4Editor-SceneOutliner.dll!SceneOutliner::FSortHelper<int,SceneOutliner::FNumericStringWrapper>::Sort(TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & Array) Line 89	C++
 	UE4Editor-SceneOutliner.dll!SceneOutliner::FItemLabelColumn::SortItems(TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & OutItems, const EColumnSortMode::Type SortMode) Line 621	C++
 	UE4Editor-SceneOutliner.dll!SceneOutliner::SSceneOutliner::SortItems(TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & Items) Line 2337	C++
 	UE4Editor-SceneOutliner.dll!SceneOutliner::SSceneOutliner::OnGetChildrenForOutlinerTree(TSharedPtr<SceneOutliner::ITreeItem,0> InParent, TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & OutChildren) Line 1519	C++
 	UE4Editor-SceneOutliner.dll!TBaseSPMethodDelegateInstance<0,SceneOutliner::SSceneOutliner,0,TTypeWrapper<void> __cdecl(TSharedPtr<SceneOutliner::ITreeItem,0>,TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & __ptr64)>::Execute(TSharedPtr<SceneOutliner::ITreeItem,0> <Params_0>, TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & <Params_1>) Line 321	C++
 	UE4Editor-SceneOutliner.dll!STreeView<TSharedPtr<SceneOutliner::ITreeItem,0> >::PopulateLinearizedItems(const TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & InItemsSource, TArray<TSharedPtr<SceneOutliner::ITreeItem,0>,FDefaultAllocator> & InLinearizedItems, TArray<FItemInfo,FDefaultAllocator> & NewDenseItemInfos, int TreeLevel, TSet<TSharedPtr<SceneOutliner::ITreeItem,0>,DefaultKeyFuncs<TSharedPtr<SceneOutliner::ITreeItem,0>,0>,FDefaultSetAllocator> & OutNewSelectedItems, TMap<TSharedPtr<SceneOutliner::ITreeItem,0>,FSparseItemInfo,FDefaultSetAllocator,TDefaultMapKeyFuncs<TSharedPtr<SceneOutliner::ITreeItem,0>,FSparseItemInfo,0> > & NewSparseItemInfo, bool bAddingItems) Line 442	C++
 	UE4Editor-SceneOutliner.dll!STreeView<TSharedPtr<SceneOutliner::ITreeItem,0> >::Tick(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 375	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 666	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-Slate.dll!SBorder::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 90	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-Slate.dll!SBorder::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 90	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-Slate.dll!SBorder::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 90	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-Slate.dll!SSplitter::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 166	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-Slate.dll!SSplitter::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 166	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-Slate.dll!SSplitter::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 166	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-Slate.dll!SSplitter::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 166	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-Slate.dll!SBorder::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 90	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-Slate.dll!SSplitter::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 166	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SPanel::PaintArrangedChildren(const FPaintArgs & Args, const FArrangedChildren & ArrangedChildren, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 44	C++
 	UE4Editor-SlateCore.dll!SPanel::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 19	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SOverlay::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 100	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SCompoundWidget::OnPaint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 25	C++
 	UE4Editor-SlateCore.dll!SWidget::Paint(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 669	C++
 	UE4Editor-SlateCore.dll!SWindow::PaintWindow(const FPaintArgs & Args, const FGeometry & AllottedGeometry, const FSlateRect & MyClippingRect, FSlateWindowElementList & OutDrawElements, int LayerId, const FWidgetStyle & InWidgetStyle, bool bParentEnabled) Line 1688	C++
 	UE4Editor-Slate.dll!FSlateApplication::DrawWindowAndChildren(const TSharedRef<SWindow,0> & WindowToDraw, FDrawWindowArgs & DrawWindowArgs) Line 996	C++
 	UE4Editor-Slate.dll!FSlateApplication::PrivateDrawWindows(TSharedPtr<SWindow,0> DrawOnlyThisWindow) Line 1225	C++
 	UE4Editor-Slate.dll!FSlateApplication::DrawWindows() Line 957	C++
 	UE4Editor-Slate.dll!FSlateApplication::TickApplication(float DeltaTime) Line 1543	C++
 	UE4Editor-Slate.dll!FSlateApplication::Tick() Line 1335	C++
 	UE4Editor.exe!FEngineLoop::Tick() Line 2679	C++
 	UE4Editor.exe!GuardedMain(const wchar_t * CmdLine, HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, int nCmdShow) Line 142	C++
 	UE4Editor.exe!GuardedMainWrapper(const wchar_t * CmdLine, HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, int nCmdShow) Line 126	C++
 	UE4Editor.exe!WinMain(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * __formal, int nCmdShow) Line 200	C++

Exception thrown at 0x000007FEE37D0549 (UE4Editor-Core.dll) in UE4Editor.exe: 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF.

Hey v.s.-

Without more information I cannot investigate this crash. Please provide your callstack and log files from teh crash. Additionally, you mentioned being in PIE. Please take note of exactly what you were doing if/when the crash occurs again.

Hi v.s.,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you.