In a function, creating a local Pawn or Actor variable, getting it, and then converting the Get to a Validated Get will cause the editor to crash upon compiling the blueprint.
Found in 4.10.2 binary. Reproduced in 4.9.2 binary and Main CL 2822629
1.Open the editor
2. Create a new Actor blueprint
3. Create a new function
4. Add a local Actor variable
5. Get the local variable
6. Right-click->Convert to Validated Get
7. Compile
Result: Editor Crashes
Expected: No crash would occur; blueprint would compile successfully.
UE4Editor_Engine!UEdGraphSchema::MovePinLinks() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\edgraph\edgraphschema.cpp:573] UE4Editor_KismetCompiler!FKismetCompilerContext::MovePinLinksToIntermediate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2072] UE4Editor_BlueprintGraph!UK2Node_VariableGet::ExpandNode() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\blueprintgraph\private\k2node_variableget.cpp:419] UE4Editor_KismetCompiler!FKismetCompilerContext::ExpansionStep() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2335] UE4Editor_KismetCompiler!FKismetCompilerContext::ProcessOneFunctionGraph() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2859] UE4Editor_KismetCompiler!FKismetCompilerContext::CreateFunctionList() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:2948] UE4Editor_KismetCompiler!FKismetCompilerContext::Compile() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompiler.cpp:3187] UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprintInner() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompilermodule.cpp:99] UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismetcompiler\private\kismetcompilermodule.cpp:173] UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:749] UE4Editor_Kismet!FBlueprintEditor::Compile() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\kismet\private\blueprinteditor.cpp:3110] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper<void> __cdecl(void)>::Execute() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl(void)>::ExecuteIfSafe() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:387] UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:87] UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:296] UE4Editor_Slate!TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64>::operator()<>() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161] UE4Editor_Slate!TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<SToolBarButtonBlock,FReply (__cdecl SToolBarButtonBlock::*)(void) __ptr64> >() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\tuple.h:113] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:440] UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:236] UE4Editor_Slate!<lambda_4ba5b0c116ad939f50a9b616659f063a>::operator()() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4276] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_4ba5b0c116ad939f50a9b616659f063a> >() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:214] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4266] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4663] UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4641] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:1416] UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:1721] UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:719] UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsapplication.cpp:641] user32 user32 UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:884] UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2391] UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:142] UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264] kernel32 ntdll
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Head over to the existing Questions & Answers thread and let us know what's up.
| 0 |
| Component | UE - Gameplay - Blueprint |
|---|---|
| Affects Versions | 4.9.2, 4.10, 4.12 |
| Target Fix | 4.11 |
| Created | Jan 13, 2016 |
|---|---|
| Resolved | Jan 15, 2016 |
| Updated | Apr 27, 2018 |