Crash when making level visible

load 5-6 levels via world composition
make another level visible (little eye icon in “levels” window)
crash

>	UE4Editor-Engine.dll!AActor::GetActorLabel() Line 466	C++
 	UE4Editor-LandscapeEditor.dll!FLandscapeEditorDetails::GetTargetLandscapeName() Line 213	C++
 	UE4Editor-LandscapeEditor.dll!TBaseStaticDelegateInstance_RetVal_NoParams<FText>::Execute() Line 682	C++
 	UE4Editor-LandscapeEditor.dll!TBaseDelegate_RetVal_NoParams<FText>::Execute() Line 1058	C++
 	UE4Editor-LandscapeEditor.dll!STextBlock::FArguments::Text_Local::PassThroughDelegate(TBaseDelegate_RetVal_NoParams<FText> TextDelegate) Line 41	C++
 	UE4Editor-LandscapeEditor.dll!TBaseStaticDelegateInstance_RetVal_NoParams_OneVar<FString,TBaseDelegate_RetVal_NoParams<FText> >::Execute() Line 682	C++
 	UE4Editor-Slate.dll!TBaseDelegate_RetVal_NoParams<FString>::Execute() Line 1058	C++
 	UE4Editor-Slate.dll!TAttribute<FString>::Get() Line 147	C++
 	UE4Editor-Slate.dll!STextBlock::CacheDesiredSize() Line 248	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-SlateCore.dll!SWidget::SlatePrepass() Line 267	C++
 	UE4Editor-PropertyEditor.dll!SListView<TSharedRef<IDetailTreeNode,0> >::GenerateWidgetForItem(const TSharedRef<IDetailTreeNode,0> & CurItem, int ItemIndex, int StartIndex) Line 866	C++
 	UE4Editor-PropertyEditor.dll!SListView<TSharedRef<IDetailTreeNode,0> >::ReGenerateItems(const FGeometry & MyGeometry) Line 769	C++
 	UE4Editor-Slate.dll!STableViewBase::Tick(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 183	C++
 	UE4Editor-PropertyEditor.dll!STreeView<TSharedRef<IDetailTreeNode,0> >::Tick(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 397	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 243	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-SlateCore.dll!SWidget::TickWidgetsRecursively(const FGeometry & AllottedGeometry, const double InCurrentTime, const float InDeltaTime) Line 247	C++
 	UE4Editor-Slate.dll!FSlateApplication::TickWindowAndChildren(TSharedRef<SWindow,0> WindowToTick) Line 508	C++
 	UE4Editor-Slate.dll!FSlateApplication::Tick() Line 831	C++
 	UE4Editor.exe!FEngineLoop::Tick() Line 2101	C++
 	UE4Editor.exe!GuardedMain(const wchar_t * CmdLine, HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, int nCmdShow) Line 133	C++
 	UE4Editor.exe!WinMain(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * __formal, int nCmdShow) Line 196	C++

Hey Chrys,

Thank you for your bug report. In order to help us reproduce this issue, we could benefit from some additional information. Please see ] for some bug-reporting-guidelines which can be very helpful, and then Edit your post with any additional information you can provide. Thanks!

[1]:

Unfortunately this crash only happend once but it seems tighly related to another crash i reported here
Crash report which was fixed

crash happend also when Landscape Tool was still “open/visible”.

Hey Chrys,

As you mentioned, this does seem to be related to crash you reported here. I’m going to mark this post resolved for now, but I’ll keep myself assigned to it. If issue reappears after 4.5 update, please reopen this post and we’ll take another look at it. Thanks for report!