Description

REGRESSION: Yes
WORKING: 3039270
BROKEN: 3081866

Ensures occur when copy and pasting nodes in the Anim Graph.

Steps to Reproduce
  1. Open QAGame in editor.
  2. Open the anim blueprint QAPawn_AnimBP.
  3. Focus the Anim Graph.
  4. Select the Locomotion state machine.
  5. Copy.
  6. Click in the graph and then paste.

RESULT:

Two ensures occur

Callstack
Ensure condition failed: ToPin->LinkedTo.Contains(this) [File:D:\Release\Engine\Source\Runtime\Engine\Private\EdGraph\EdGraphPin.cpp] [Line: 292] UEdGraphPin::BreakLinkTo Pin 'Result' on node 'Final Animation Pose' not reciprocally linked with pin 'Pose' on node 'Sub Anim Instance - Target Class: NewAnimBlueprint_C'

UE4Editor_Engine!UEdGraphPin::BreakLinkTo() edgraphpin.cpp:292 
UE4Editor_Engine!UEdGraphPin::BreakAllPinLinks() edgraphpin.cpp:308 
UE4Editor_Engine!UEdGraphNode::BreakAllNodeLinks() edgraphnode.cpp:162 
UE4Editor_KismetCompiler!FAnimBlueprintCompiler::PruneIsolatedAnimationNodes() animblueprintcompiler.cpp:758 
UE4Editor_KismetCompiler!FAnimBlueprintCompiler::ProcessAllAnimationNodes() animblueprintcompiler.cpp:1024 
UE4Editor_KismetCompiler!FAnimBlueprintCompiler::MergeUbergraphPagesIn() animblueprintcompiler.cpp:1653 
UE4Editor_KismetCompiler!FKismetCompilerContext::CreateAndProcessUbergraph() kismetcompiler.cpp:2642 
UE4Editor_KismetCompiler!FKismetCompilerContext::CreateFunctionList() kismetcompiler.cpp:3160 
UE4Editor_KismetCompiler!FKismetCompilerContext::Compile() kismetcompiler.cpp:3406 
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprintInner() kismetcompilermodule.cpp:94 
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprint() kismetcompilermodule.cpp:200 
UE4Editor_UnrealEd!FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified() blueprinteditorutils.cpp:2281 
UE4Editor_UnrealEd!FGraphObjectTextFactory::PostProcessConstructedObjects() edgraphutilities.cpp:125 
UE4Editor_UnrealEd!FCustomizableTextObjectFactory::ProcessBuffer() editorfactories.cpp:5342 
UE4Editor_UnrealEd!FEdGraphUtilities::ImportNodesFromText() edgraphutilities.cpp:407 
UE4Editor_Kismet!FBlueprintEditor::PasteNodesHere() blueprinteditor.cpp:5784 
UE4Editor_Kismet!FBlueprintEditor::PasteNodes() blueprinteditor.cpp:5557 
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl() delegateinstancesimpl.h:317 
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl() delegateinstancesimpl.h:423 
UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() uicommandlist.cpp:211 
UE4Editor_Slate!FUICommandList::ProcessCommandBindings() uicommandlist.cpp:155 
UE4Editor_GraphEditor!SGraphEditorImpl::OnKeyDown() sgrapheditorimpl.cpp:66 
UE4Editor_Slate!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator() slateapplication.cpp:4517 
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() slateapplication.cpp:215 
UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() slateapplication.cpp:197 
UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() slateapplication.cpp:4515 
UE4Editor_Slate!FSlateApplication::OnKeyDown() slateapplication.cpp:4430 
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1419 
UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:1930 
UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:747 
UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:669 
user32!<Unknown> 
user32!<Unknown> 
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:905 
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2788 
UE4Editor!GuardedMain() launch.cpp:156 
UE4Editor!GuardedMainWrapper() launchwindows.cpp:126 
UE4Editor!WinMain() launchwindows.cpp:202 
UE4Editor!__scrt_common_main_seh() exe_common.inl:264 
kernel32!<Unknown> 
ntdll!<Unknown> 

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Fixed
ComponentUE - Gameplay - Blueprint
Affects Versions4.13
Target Fix4.13
Fix Commit3085568
Main Commit3092051
Release Commit3085568
CreatedAug 9, 2016
ResolvedAug 11, 2016
UpdatedApr 27, 2018
View Jira Issue