Crash occurs when the user renames a nested struct member variable while there's a struct pin split in a blueprint.
RESULT
Crash
Assertion failed: NumNewPins == InNewPins.Num() [File:D:/Build/++UE4/Sync/Engine/Source/Editor/BlueprintGraph/Private/K2Node.cpp] [Line: 1076] KERNELBASE.dll!UnknownFunction [] UE4Editor-Core.dll!ReportAssert() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformCrashContext.cpp:1541] UE4Editor-Core.dll!FWindowsErrorOutputDevice::Serialize() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsErrorOutputDevice.cpp:78] UE4Editor-Core.dll!FOutputDevice::LogfImpl() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Misc\OutputDevice.cpp:61] UE4Editor-Core.dll!AssertFailedImplV() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:100] UE4Editor-Core.dll!FDebug::CheckVerifyFailedImpl() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Private\Misc\AssertionMacros.cpp:450] UE4Editor-BlueprintGraph.dll!UK2Node::RewireOldPinsToNewPins() [D:\Build\++UE4\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp:1076] UE4Editor-BlueprintGraph.dll!UK2Node::ReconstructNode() [D:\Build\++UE4\Sync\Engine\Source\Editor\BlueprintGraph\Private\K2Node.cpp:678] UE4Editor-KismetCompiler.dll!FUserDefinedStructureCompilerUtils::CompileStruct() [D:\Build\++UE4\Sync\Engine\Source\Editor\KismetCompiler\Private\UserDefinedStructureCompilerUtils.cpp:599] UE4Editor-KismetCompiler.dll!FKismet2CompilerModule::CompileStructure() [D:\Build\++UE4\Sync\Engine\Source\Editor\KismetCompiler\Private\KismetCompilerModule.cpp:88] UE4Editor-UnrealEd.dll!FStructureEditorUtils::CompileStructure() [D:\Build\++UE4\Sync\Engine\Source\Editor\UnrealEd\Private\Kismet2\StructureEditorUtils.cpp:544] UE4Editor-UnrealEd.dll!FStructureEditorUtils::RenameVariable() [D:\Build\++UE4\Sync\Engine\Source\Editor\UnrealEd\Private\Kismet2\StructureEditorUtils.cpp:370] UE4Editor-Kismet.dll!FUserDefinedStructureFieldLayout::OnNameTextCommitted() [D:\Build\++UE4\Sync\Engine\Source\Editor\Kismet\Private\UserDefinedStructureEditor.cpp:611] UE4Editor-Kismet.dll!TBaseSPMethodDelegateInstance<0,FUserDefinedStructureFieldLayout,0,void __cdecl(FText const &,enum ETextCommit::Type)>::ExecuteIfSafe() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:374] UE4Editor-Slate.dll!TBaseSPMethodDelegateInstance<0,SEditableTextBox,0,void __cdecl(FText const &,enum ETextCommit::Type)>::ExecuteIfSafe() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:374] UE4Editor-Slate.dll!FSlateEditableTextLayout::HandleCarriageReturn() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Text\SlateEditableTextLayout.cpp:1519] UE4Editor-Slate.dll!FSlateEditableTextLayout::HandleKeyDown() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Text\SlateEditableTextLayout.cpp:967] UE4Editor-Slate.dll!SEditableText::OnKeyDown() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Widgets\Input\SEditableText.cpp:211] UE4Editor-Slate.dll!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_348e43676c71ef9c842236ae8e30eb35> >() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:372] UE4Editor-Slate.dll!FSlateApplication::ProcessKeyDownEvent() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:4204] UE4Editor-Slate.dll!FSlateApplication::OnKeyDown() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Slate\Private\Framework\Application\SlateApplication.cpp:4112] UE4Editor-ApplicationCore.dll!FWindowsApplication::ProcessDeferredMessage() [D:\Build\++UE4\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:1975] UE4Editor-ApplicationCore.dll!FWindowsApplication::DeferMessage() [D:\Build\++UE4\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:2592] UE4Editor-ApplicationCore.dll!FWindowsApplication::ProcessMessage() [D:\Build\++UE4\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:1816] UE4Editor-ApplicationCore.dll!FWindowsApplication::AppWndProc() [D:\Build\++UE4\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsApplication.cpp:852] USER32.dll!UnknownFunction [] USER32.dll!UnknownFunction [] UE4Editor-ApplicationCore.dll!FWindowsPlatformApplicationMisc::PumpMessages() [D:\Build\++UE4\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsPlatformApplicationMisc.cpp:130] UE4Editor.exe!FEngineLoop::Tick() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:4762] UE4Editor.exe!GuardedMain() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:169] UE4Editor.exe!GuardedMainWrapper() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:137] UE4Editor.exe!WinMain() [D:\Build\++UE4\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:268] UE4Editor.exe!__scrt_common_main_seh() [d:\agent\_work\5\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288] KERNEL32.DLL!UnknownFunction [] ntdll.dll!UnknownFunction []
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-99606 in the post.
2 |
Component | UE - Gameplay - Blueprint |
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Affects Versions | 4.25.3, 4.26 |
Target Fix | 4.26 |
Created | Sep 14, 2020 |
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Resolved | Oct 6, 2020 |
Updated | Apr 28, 2021 |