Description

This is an infrequent crash occurring in the 4.17 release.

User Descriptions

  • Right clicked on a Variable, that had a red pin because of
  • Switched an already in use location vector variable into a transfom variable and then tried to unpin the red "Old" variable

Source Context

315       FNodeHandlingFunctor* UK2Node_VariableGet::CreateNodeHandler(FKismetCompilerContext& CompilerContext) const
  316       {
  317       	return new FKCHandler_VariableGet(CompilerContext);
  318       }
  319       
  320       bool UK2Node_VariableGet::IsValidTypeForNonPure(const FEdGraphPinType& InPinType)
  321       {
  322 ***** 	return !InPinType.IsContainer() && (InPinType.PinCategory == UObject::StaticClass()->GetName() ||InPinType.PinCategory == UClass::StaticClass()->GetName());
  323       }
Steps to Reproduce

repro steps currently unknown

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

UE4Editor_BlueprintGraph!UK2Node_VariableGet::IsValidTypeForNonPure() [k2node_variableget.cpp:323]
UE4Editor_BlueprintGraph!UK2Node_VariableGet::GetContextMenuActions() [k2node_variableget.cpp:331]
UE4Editor_Engine!UEdGraphSchema::GetContextMenuActions() [edgraphschema.cpp:765]
UE4Editor_BlueprintGraph!UEdGraphSchema_K2::GetContextMenuActions() [edgraphschema_k2.cpp:1736]
UE4Editor_GraphEditor!SGraphEditorImpl::GraphEd_OnGetContextMenuFor() [sgrapheditorimpl.cpp:501]
UE4Editor_GraphEditor!TMemberFunctionCaller<SGraphEditorImpl,FActionMenuContent() [delegateinstanceinterface.h:165]
UE4Editor_GraphEditor!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SGraphEditorImpl,FActionMenuContent() [tuple.h:497]
UE4Editor_GraphEditor!TBaseSPMethodDelegateInstance<0,SGraphEditorImpl,0,FActionMenuContent __cdecl() [delegateinstancesimpl.h:327]
UE4Editor_GraphEditor!TBaseDelegate<FActionMenuContent,FGraphContextMenuArguments const & __ptr64>::Execute() [delegatesignatureimpl.inl:537]
UE4Editor_GraphEditor!SGraphPanel::SummonContextMenu() [sgraphpanel.cpp:1034]
UE4Editor_GraphEditor!SGraphPanel::OnSummonContextMenu() [sgraphpanel.cpp:757]
UE4Editor_GraphEditor!SNodePanel::OnMouseButtonUp() [snodepanel.cpp:872]
UE4Editor_GraphEditor!SGraphPanel::OnMouseButtonUp() [sgraphpanel.cpp:639]
UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5199]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:232]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5188]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5690]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5670]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1718]
UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881]
UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721]
user32!UserCallWinProcCheckWow()
user32!DispatchMessageWorker()
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3151]
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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Fixed
ComponentUE - Gameplay - Blueprint
Affects Versions4.17
Target Fix4.17.2
Fix Commit3615856
CreatedAug 29, 2017
ResolvedAug 29, 2017
UpdatedApr 27, 2018