Crash When Attempting To Change LOD1 Cloth Assigned

At times when trying to assign APEX cloth to LOD1 material the engine will crash. I got a 100% repro rate following the steps listed above.

I have found some inconsistent errors when trying to reproduce this issue. Such as the drop down not being operational for LOD1 or it crashes at different times (such as the first time assigning to it). These issues only reproduced some of the time.

1. Open attached project (APEX.zip)
2. Open skeletal mesh "Man" in content browser
3. Add APEX clothing file (attached in Jira)
4. Assign to clothing to LOD1 then LOD0
5. Click on Clothing drop down for LOD 1

RESULT
The editor crashes the moment you click the drop down to assign cloth.

EXPECTED
The drop down exposes the different clothing assets to pick from.

UE4Editor_Slate!SListView<TSharedPtr<FString,0> >::ScrollIntoView() slistview.h:1256
UE4Editor_Slate!STableViewBase::Tick() stableviewbase.cpp:248
UE4Editor_SlateCore!SWidget::Paint() swidget.cpp:776
UE4Editor_Slate!SBox::OnPaint() sbox.cpp:237
UE4Editor_SlateCore!SWidget::Paint() swidget.cpp:779
UE4Editor_SlateCore!SCompoundWidget::OnPaint() scompoundwidget.cpp:37
UE4Editor_Slate!SBorder::OnPaint() sborder.cpp:86
UE4Editor_SlateCore!SWidget::Paint() swidget.cpp:779
UE4Editor_SlateCore!FSlateWindowElementList::FDeferredPaint::ExecutePaint() drawelements.cpp:607
UE4Editor_SlateCore!FSlateWindowElementList::PaintDeferred() drawelements.cpp:632
UE4Editor_SlateCore!SWidget::Paint() swidget.cpp:806
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() slateapplication.cpp:1158
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() slateapplication.cpp:1247
UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren() slateapplication.cpp:1247
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() slateapplication.cpp:1398
UE4Editor_Slate!FSlateApplication::DrawWindows() slateapplication.cpp:1115
UE4Editor_Slate!FSlateApplication::TickApplication() slateapplication.cpp:1720
UE4Editor_Slate!FSlateApplication::Tick() slateapplication.cpp:1512
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:3086
UE4Editor!GuardedMain() launch.cpp:166
UE4Editor!GuardedMainWrapper() launchwindows.cpp:134
UE4Editor!WinMain() launchwindows.cpp:210
UE4Editor!__scrt_common_main_seh() exe_common.inl:264
kernel32!<Unknown>
ntdll!<Unknown>

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