Description

Crash occurring when you undo moving a static mesh around in the viewport

This is NOT occurring in 4.14

Steps to Reproduce
  1. Open editor
  2. Add a cube static mesh
  3. Move around the viewport a few different times to build up a Undo buffer
  4. Ctrl-Z ~ 7 times

Result: Editor Crashes

Callstack
UE4Editor_Engine!FLevelCollection::~FLevelCollection() world.cpp:145 
UE4Editor_CoreUObject!UScriptStruct::DestroyStruct() class.cpp:2413 
UE4Editor_CoreUObject!FScriptArrayHelper::DestructItems() unrealtype.h:2856 
UE4Editor_CoreUObject!FScriptArrayHelper::EmptyAndAddValues() unrealtype.h:2635 
UE4Editor_CoreUObject!UArrayProperty::SerializeItem() propertyarray.cpp:86 
UE4Editor_CoreUObject!UProperty::SerializeBinProperty() unrealtype.h:247 
UE4Editor_CoreUObject!UStruct::SerializeBin() class.cpp:816 
UE4Editor_CoreUObject!UObject::SerializeScriptProperties() obj.cpp:1147 
UE4Editor_CoreUObject!UObject::Serialize() obj.cpp:1064 
UE4Editor_Engine!UWorld::Serialize() world.cpp:305 
UE4Editor_UnrealEd!FTransaction::FObjectRecord::SerializeContents() editortransaction.cpp:137 
UE4Editor_UnrealEd!FTransaction::FObjectRecord::Load() editortransaction.cpp:178 
UE4Editor_UnrealEd!FTransaction::Apply() editortransaction.cpp:444 
UE4Editor_UnrealEd!UTransBuffer::Undo() editortransaction.cpp:855 
UE4Editor_UnrealEd!UEditorEngine::Exec_Transaction() editorserver.cpp:5124 
UE4Editor_UnrealEd!UEditorEngine::Exec() editorserver.cpp:5571 
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() unrealedsrv.cpp:615 
UE4Editor_MainFrame!FMainFrameActionCallbacks::ExecuteExecCommand() mainframeactions.cpp:931 
UE4Editor_MainFrame!TBaseStaticDelegateInstance<void __cdecl() delegateinstancesimpl.h:1018 
UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() uicommandlist.cpp:211 
UE4Editor_Slate!FUICommandList::ProcessCommandBindings() uicommandlist.cpp:155 
UE4Editor_MainFrame!FMainFrameActionCallbacks::OnUnhandledKeyDownEvent() mainframeactions.cpp:176 
UE4Editor_MainFrame!TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<FReply() tuple.h:116 
UE4Editor_MainFrame!TBaseStaticDelegateInstance<FReply __cdecl() delegateinstancesimpl.h:949 
UE4Editor_Slate!TBaseDelegate<FReply,FKeyEvent const & __ptr64>::Execute() delegatesignatureimpl.inl:522 
UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() slateapplication.cpp:4636 
UE4Editor_Slate!FSlateApplication::OnKeyDown() slateapplication.cpp:4538 
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1487 
UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:2071 
UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:814 
UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:678 
user32!<Unknown> 
user32!<Unknown> 
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:951 
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2811 
UE4Editor!GuardedMain() launch.cpp:152 
UE4Editor!GuardedMainWrapper() launchwindows.cpp:126 
UE4Editor!WinMain() launchwindows.cpp:202 
UE4Editor!__scrt_common_main_seh() exe_common.inl:253 
kernel32!<Unknown> 
ntdll!<Unknown> 

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Fixed
ComponentNetworking
Affects Versions4.15
Target Fix4.14
Fix Commit3162189
Main Commit3162189
CreatedOct 13, 2016
ResolvedOct 14, 2016
UpdatedSep 29, 2017