Steps to Reproduce
  1. Open QAGame
  2. Launch on windows
  3. Save the map
  4. Once the windows launch on has completed close the window
  5. In the editor open the World settings
  6. Enable HLOD
  7. Open the HLOD outliner
    Result
    Editor crashes
Callstack

LoginId:3029b7d441c4af8d59a7f19a2ed84972
EpicAccountId:c062bc1196444421b9529484d3530371

Fatal error: [Link Removed] [Line: 584]
Attempted to create a package named 'None'

UE4Editor_Core!FDebug::AssertFailed() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor_CoreUObject!FindPackage() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:584]
UE4Editor_HierarchicalLODUtilities!FHierarchicalLODUtilities::IsWorldUsedForStreaming() [d:\p4\dbouimad_dev-animphys\engine\source\developer\hierarchicallodutilities\private\hierarchicallodutilities.cpp:788]
UE4Editor_HierarchicalLODOutliner!<lambda_f5cf93e11ccfaf55b97941ae1f2abd11>::operator()() [d:\p4\dbouimad_dev-animphys\engine\source\editor\hierarchicallodoutliner\private\hlodoutliner.cpp:100]
UE4Editor_HierarchicalLODOutliner!UE4Function_Private::TFunctionRefCaller<<lambda_f5cf93e11ccfaf55b97941ae1f2abd11>,EVisibility __cdecl(void)>::Call() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\core\public\templates\function.h:235]
UE4Editor_HierarchicalLODOutliner!TBaseFunctorDelegateInstance<EVisibility __cdecl(void),TFunction<EVisibility __cdecl(void)> >::Execute() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:1133]
UE4Editor_SlateCore!TAttribute<EVisibility>::Get() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\core\public\misc\attribute.h:137]
UE4Editor_SlateCore!ArrangeSingleChild<FSimpleSlot>() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\public\layout\layoututils.h:118]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:21]
UE4Editor_Slate!SBorder::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:86]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:46]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:21]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:102]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_Slate!SBorder::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:86]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_Slate!SBorder::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:86]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_Slate!SBorder::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:86]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:102]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:46]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:21]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:46]
UE4Editor_Slate!SSplitter::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:168]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:102]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:46]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:21]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:46]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\spanel.cpp:21]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:102]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:37]
UE4Editor_SlateCore!SWindow::OnPaint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1845]
UE4Editor_SlateCore!SWidget::Paint() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slatecore\private\widgets\swidget.cpp:776]
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1196]
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1285]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1436]
UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1153]
UE4Editor_Slate!FSlateApplication::TickApplication() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1730]
UE4Editor_Slate!FSlateApplication::Tick() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1552]
UE4Editor!FEngineLoop::Tick() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\launch\private\launchengineloop.cpp:3204]
UE4Editor!GuardedMain() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\p4\dbouimad_dev-animphys\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll

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Fixed
ComponentTools - HLOD
Affects Versions4.17
Target Fix4.16.2
Fix Commit3473377
CreatedJun 5, 2017
ResolvedJun 6, 2017
UpdatedApr 27, 2018