Editor crashes if an interface array variable is reset in the Detail's Pane

The editor will crash if an array of interfaces is reset using the "reset values" button (yellow arrow) in the Detail's Pane of the editor.

Frequency: 4/4

Crashreporter: N/A

Regression? (No), issue (does) occur on 4.10.4

1. Open editor (any project)
2. Create new interface
3. Create actor blueprint
4. In actor blueprint, create new variable (type new interface (array))
5. Compile
6. Place copy of actor into level
7. In Details Pane, Press '+' to add an array element
8. Press yellow arrow to reset array to 0 elements

Results

Editor crashes

Expected

Array is cleared

MachineId:4E82586D46B558EA69EF0EAA821297B1
EpicAccountId:2e342bbd0e92480fa71bf4505b6a81c3

Access violation - code c0000005 (first/second chance not available)

UE4Editor_CoreUObject!UObjectBaseUtility::IsDefaultSubobject() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\coreuobject\private\uobject\uobjectbaseutility.cpp:417]
UE4Editor_PropertyEditor!FPropertyItemComponentCollector::ProcessInterfaceProperty() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1178]
UE4Editor_PropertyEditor!FPropertyItemComponentCollector::ProcessProperty() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1061]
UE4Editor_PropertyEditor!FPropertyItemComponentCollector::ProcessArrayProperty() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1100]
UE4Editor_PropertyEditor!FPropertyItemComponentCollector::ProcessProperty() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1078]
UE4Editor_PropertyEditor!FPropertyItemComponentCollector::FPropertyItemComponentCollector() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1029]
UE4Editor_PropertyEditor!FPropertyNode::ResetToDefault() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\propertynode.cpp:1542]
UE4Editor_PropertyEditor!TBaseSPMethodDelegateInstance<0,FPropertyEditor,0,TTypeWrapper<void> __cdecl(void)>::Execute() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:321]
UE4Editor_PropertyEditor!TBaseSPMethodDelegateInstance<0,FPropertyEditor,0,void __cdecl(void)>::ExecuteIfSafe() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:427]
UE4Editor_PropertyEditor!SDetailsViewBase::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\editor\propertyeditor\private\sdetailsviewbase.cpp:712]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:666]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_Slate!SBox::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\sbox.cpp:171]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:90]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:100]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:100]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_Slate!SBorder::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:90]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:100]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_Slate!SSplitter::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\widgets\layout\ssplitter.cpp:166]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:100]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:44]
UE4Editor_SlateCore!SPanel::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\spanel.cpp:19]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SOverlay::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:100]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SCompoundWidget::OnPaint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:25]
UE4Editor_SlateCore!SWidget::Paint() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swidget.cpp:669]
UE4Editor_SlateCore!SWindow::PaintWindow() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1688]
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:996]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1225]
UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:957]
UE4Editor_Slate!FSlateApplication::TickApplication() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1543]
UE4Editor_Slate!FSlateApplication::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1335]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launchengineloop.cpp:2679]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++ue4+release-4.11\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

[Bug] Fields containing arrays of interfaces are broken in the Details panel of the editor.