This is a common crash affecting users in 4.16 and has been occurring since at least 4.14 affecting more than 300 unique users.
User Descriptions
Source Context
2879 void FBlueprintGraphArgumentLayout::OnArgNameChange(const FText& InNewText) 2880 { 2881 bool bVerified = true; 2882 2883 FText ErrorMessage; 2884 2885 if (InNewText.IsEmpty()) 2886 { 2887 ErrorMessage = LOCTEXT("EmptyArgument", "Name cannot be empty!"); 2888 bVerified = false; 2889 } 2890 else 2891 { 2892 ***** const FString& OldName = ParamItemPtr.Pin()->PinName; 2893 bVerified = GraphActionDetailsPtr.Pin()->OnVerifyPinRename(TargetNode, OldName, InNewText.ToString(), ErrorMessage); 2894 }
repro steps currently unknown
Assertion failed: IsValid() [File:D:\Build\++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Core\Public\Templates/SharedPointer.h] [Line: 835] UE4Editor_Kismet!FBlueprintGraphArgumentLayout::OnArgNameChange() [blueprintdetailscustomization.cpp:2893] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintGraphArgumentLayout,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintGraphArgumentLayout,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FSlateEditableTextLayout::EndEditTransaction() [slateeditabletextlayout.cpp:2805] UE4Editor_Slate!FSlateEditableTextLayout::HandleKeyChar() [slateeditabletextlayout.cpp:745] UE4Editor_Slate!SEditableText::OnKeyChar() [seditabletext.cpp:170] UE4Editor_Slate!<lambda_1c1a6884130f88cc3a30cf556a098b76>::operator() [slateapplication.cpp:4524] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FCharacterEvent,<lambda_1c1a6884130f88cc3a30cf556a098b76> >() [slateapplication.cpp:239] UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_1c1a6884130f88cc3a30cf556a098b76>,FCharacterEvent>() [slateapplication.cpp:221] UE4Editor_Slate!FSlateApplication::ProcessKeyCharEvent() [slateapplication.cpp:4521] UE4Editor_Slate!FSlateApplication::OnKeyChar() [slateapplication.cpp:4498] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1459] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2127] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:867] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:714] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3058] 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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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-47493 in the post.
| 0 |
| Component | UE - Gameplay - Blueprint Editor |
|---|---|
| Affects Versions | 4.14, 4.15, 4.16 |
| Target Fix | 4.17 |
| Created | Jul 19, 2017 |
|---|---|
| Resolved | Jul 21, 2017 |
| Updated | Apr 27, 2018 |