This is a common crash affecting users in 4.16.2. It is similar to [Link Removed], which was potentially fixed in 4.16.2. Users have not provided any additional information.
Source Context
803 if (DragDropOperation.IsValid()) 804 { 805 FEdModeLandscape* LandscapeEdMode = GetEditorMode(); 806 807 if (LandscapeEdMode != nullptr) 808 { 809 const TArray<FName>& TargetShownList = LandscapeEdMode->GetTargetShownList(); 810 811 if (TargetShownList.IsValidIndex(DragDropOperation->SlotIndexBeingDragged) && TargetShownList.IsValidIndex(SlotIndex)) 812 { 813 const TArray<FName>* TargetDisplayOrderList = LandscapeEdMode->GetTargetDisplayOrderList(); 814 815 if (TargetDisplayOrderList != nullptr) 816 { 817 ***** int32 StartingLayerIndex = TargetDisplayOrderList->Find(LandscapeEdMode->UISettings->ShowUnusedLayers ? TargetShownList[DragDropOperation->SlotIndexBeingDragged + LandscapeEdMode->GetTargetLayerStartingIndex()] : TargetShownList[DragDropOperation->SlotIndexBeingDragged]); 818 int32 DestinationLayerIndex = TargetDisplayOrderList->Find(LandscapeEdMode->UISettings->ShowUnusedLayers ? TargetShownList[SlotIndex + LandscapeEdMode->GetTargetLayerStartingIndex()] : TargetShownList[SlotIndex]); 819 820 if (StartingLayerIndex != INDEX_NONE && DestinationLayerIndex != INDEX_NONE) 821 { 822 LandscapeEdMode->MoveTargetLayerDisplayOrder(StartingLayerIndex, DestinationLayerIndex); 823 824 return FReply::Handled(); 825 } 826 } 827 } 828 } 829 }
repro steps currently unknown
UE4Editor_LandscapeEditor!FLandscapeEditorCustomNodeBuilder_TargetLayers::HandleAcceptDrop() [landscapeeditordetailcustomization_targetlayers.cpp:818] UE4Editor_LandscapeEditor!TMemberFunctionCaller<FLandscapeEditorCustomNodeBuilder_TargetLayers,FReply() [delegateinstanceinterface.h:165] UE4Editor_LandscapeEditor!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<FLandscapeEditorCustomNodeBuilder_TargetLayers,FReply() [tuple.h:497] UE4Editor_LandscapeEditor!TBaseSPMethodDelegateInstance<0,FLandscapeEditorCustomNodeBuilder_TargetLayers,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_SlateCore!TBaseDelegate<FReply,FDragDropEvent const & __ptr64,enum SDragAndDropVerticalBox::EItemDropZone,int,SVerticalBox::FSlot * __ptr64>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_SlateCore!SDragAndDropVerticalBox::OnDrop() [sboxpanel.cpp:437] UE4Editor_Slate!<lambda_6fe3fac4210ea4fdbbd9f162046616f6>::operator() [slateapplication.cpp:5076] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FPointerEvent,<lambda_6fe3fac4210ea4fdbbd9f162046616f6> >() [slateapplication.cpp:239] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5072] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5515] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5495] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1704] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2127] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3058] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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| 0 |
| Component | UE - LD & Modeling - Terrain - Landscape |
|---|---|
| Affects Versions | 4.16.2 |
| Target Fix | 4.17 |
| Created | Jul 6, 2017 |
|---|---|
| Resolved | Jul 11, 2017 |
| Updated | Apr 27, 2018 |