Crash diffing an AnimBP with a node deleted from a State Machine Transition

 1108       }
 1109       
 1110       FDiffPanel& SBlueprintDiff::GetDiffPanelForNode(UEdGraphNode& Node)
 1111       {
 1112       auto OldGraphEditorPtr = PanelOld.GraphEditor.Pin();
 1113       if (OldGraphEditorPtr.IsValid() && Node.GetGraph() == OldGraphEditorPtr->GetCurrentGraph())
 1114       {
 1115       return PanelOld;
 1116       }
 1117       auto NewGraphEditorPtr = PanelNew.GraphEditor.Pin();
 1118       if (NewGraphEditorPtr.IsValid() && Node.GetGraph() == NewGraphEditorPtr->GetCurrentGraph())
 1119       {
 1120       return PanelNew;
 1121       }
 1122 ***** checkf(false, TEXT("Looking for node %s but it cannot be found in provided panels"), *Node.GetName());
 1123       static FDiffPanel Default;
 1124       return Default;
 1125       }
 1126       
 1127       void SBlueprintDiff::HandleGraphChanged( const FName GraphName )
 1128       {
 1129       SetCurrentMode(FBlueprintEditorApplicationModes::StandardBlueprintEditorMode);
 1130       
 1131       TArray<UEdGraph*> GraphsOld, GraphsNew;
 1132       PanelOld.Blueprint->GetAllGraphs(GraphsOld);
 1133       PanelNew.Blueprint->GetAllGraphs(GraphsNew);
 1134       
 1135       UEdGraph* GraphOld = NULL;
 1136       if( UEdGraph** Iter = GraphsOld.FindByPredicate(FMatchFName(GraphName)) )
 1137       {

UE4Editor_Kismet!SBlueprintDiff::GetDiffPanelForNode() [sblueprintdiff.cpp:1123]
UE4Editor_Kismet!SBlueprintDiff::OnDiffListSelectionChanged() [sblueprintdiff.cpp:953]
UE4Editor_Kismet!TBaseRawMethodDelegateInstance<0,SBlueprintDiff,void __cdecl() [delegateinstancesimpl.h:648]
UE4Editor_Kismet!<lambda_3132ed2a844226a2c9adbea99564bb91>::<lambda_invoker_cdecl>() [diffutils.cpp:835]
UE4Editor_Kismet!TBaseStaticDelegateInstance<TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:958]
UE4Editor_Kismet!TBaseStaticDelegateInstance<void __cdecl() [delegateinstancesimpl.h:1025]
UE4Editor_Kismet!TBaseDelegate<void,TSharedPtr<FBlueprintDifferenceTreeEntry,0>,enum ESelectInfo::Type>::ExecuteIfBound() [delegatesignatureimpl.inl:624]
UE4Editor_Kismet!SListView<TSharedPtr<FBlueprintDifferenceTreeEntry,0> >::Private_SignalSelectionChanged() [slistview.h:720]
UE4Editor_Kismet!STableRow<TSharedPtr<FBlueprintDifferenceTreeEntry,0> >::OnMouseButtonUp() [stablerow.h:473]
UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() [slateapplication.cpp:5075]
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() [slateapplication.cpp:238]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5064]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5531]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5508]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1698]
UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2120]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867]
UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714]
user32!<Unknown>
user32!<Unknown>
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:980]
UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2977]
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>