This is an infrequent crash coming out of the 4.17 release.
User Descriptions
Source Context
612 void UEdGraphPin::SerializeAsOwningNode(FArchive& Ar, TArray<UEdGraphPin*>& ArrayRef)
613 {
614 UEdGraphPin::SerializePinArray(Ar, ArrayRef, nullptr, EPinResolveType::OwningNode);
615 }
616
617 bool UEdGraphPin::Modify(bool bAlwaysMarkDirty)
618 ***** {
619 UEdGraphNode* LocalOwningNode = GetOwningNodeUnchecked();
620 if (LocalOwningNode)
621 {
622 return LocalOwningNode->Modify(bAlwaysMarkDirty);
623 }
624
625 return false;
626 }
repro steps currently unknown
Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!UEdGraphPin::Modify() [edgraphpin.cpp:619] UE4Editor_BlueprintGraph!UEdGraphSchema_K2::CombineTwoPinNetsAndRemoveOldPins() [edgraphschema_k2.cpp:6511] UE4Editor_BlueprintGraph!UEdGraphSchema_K2::CollapseGatewayNode() [edgraphschema_k2.cpp:6424] UE4Editor_KismetCompiler!FKismetCompilerContext::ExpandTunnelsAndMacros() [kismetcompiler.cpp:3481] UE4Editor_KismetCompiler!FKismetCompilerContext::ExpansionStep() [kismetcompiler.cpp:2860] UE4Editor_KismetCompiler!FKismetCompilerContext::CreateAndProcessUbergraph() [kismetcompiler.cpp:3147] UE4Editor_KismetCompiler!FKismetCompilerContext::CreateFunctionList() [kismetcompiler.cpp:3601] UE4Editor_UMGEditor!FWidgetBlueprintCompiler::CreateFunctionList() [widgetblueprintcompiler.cpp:53] UE4Editor_KismetCompiler!FKismetCompilerContext::CompileClassLayout() [kismetcompiler.cpp:3860] UE4Editor_Kismet!FBlueprintCompilationManagerImpl::FlushCompilationQueueImpl() [blueprintcompilationmanager.cpp:699] UE4Editor_Kismet!FBlueprintCompilationManagerImpl::CompileSynchronouslyImpl() [blueprintcompilationmanager.cpp:189] UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [kismet2.cpp:750] UE4Editor_Kismet!FBlueprintEditor::Compile() [blueprinteditor.cpp:3291] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FUICommandList::ExecuteAction() [uicommandlist.cpp:97] UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [stoolbarbuttonblock.cpp:305] UE4Editor_Slate!TMemberFunctionCaller<SToolBarButtonBlock,FReply() [delegateinstanceinterface.h:165] UE4Editor_Slate!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SToolBarButtonBlock,FReply() [tuple.h:497] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:282] 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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| 0 |
| Component | UE - Gameplay - Blueprint |
|---|---|
| Affects Versions | 4.17 |
| Target Fix | 4.17.2, 4.18 |
| Fix Commit | 3615590 |
|---|
| Created | Aug 29, 2017 |
|---|---|
| Resolved | Aug 29, 2017 |
| Updated | Apr 27, 2018 |