Hi all I have a sporadic Editor crashes while working in blueprints inherited from c++ classes specially when setting members TSubclassOF, sometimes editor crashes when I even compile code from vs studio the editor crashes code in vs compiles and when I restart editor everything works again the same with blueprints after crash and restart everything works fine. However the one that popes out now its releated to MemoryPool, what I did I’ve added TSubclassOf to my c++ class inherited blueprint from this class and it crashed after I’ve set the asset and hit compile blueprint, after I’ve restarted editor everything works fine. Also there is a problem with corrupted blueprints inherited from c++ classes specially after adding components, and the only way to get it fixed is to recreate blueprint, to be honest this happens to me only in 4.12 I also have 4.11 and it works just fine I’ve send multiple crash reports after this sporadic crashes cheers.
and this one to :
MachineId:
EpicAccountId:
Access violation - code c0000005 (first/second chance not available)
UE4Editor_Core!rml::internal::ExtMemoryPool::initTLS()
UE4Editor_Core!FMallocTBB::Free() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\hal\malloctbb.cpp:109]
UE4Editor_Core!FMemory::Free() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\hal\fmemory.inl:49]
UE4Editor_Engine!UBlueprintGeneratedClass::CreatePersistentUberGraphFrame() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\engine\private\blueprintgeneratedclass.cpp:887]
UE4Editor_CoreUObject!UObjectBase::SetClass() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectbase.cpp:213]
UE4Editor_UnrealEd!FBlueprintCompileReinstancer::FBlueprintCompileReinstancer() [d:\build++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:201]
UE4Editor_UnrealEd!FBlueprintCompileReinstancer::Create() [d:\build++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\public\kismet2\kismetreinstanceutilities.h:100]
UE4Editor_KismetCompiler!FKismet2CompilerModule::CompileBlueprint() [d:\build++ue4+release-4.12+compile\sync\engine\source\editor\kismetcompiler\private\kismetcompilermodule.cpp:178]
UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [d:\build++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:756]
UE4Editor_Kismet!FBlueprintEditor::Compile() [d:\build++ue4+release-4.12+compile\sync\engine\source\editor\kismet\private\blueprinteditor.cpp:3184]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper __cdecl(void)>::Execute() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:321]
UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl(void)>::ExecuteIfSafe() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:427]
UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:87]
UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:300]
UE4Editor_Slate!TMemberFunctionCaller::operator()<>() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161]
UE4Editor_Slate!TTupleImpl >::ApplyAfter_ExplicitReturnType >() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\tuple.h:128]
UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:321]
UE4Editor_Slate!TBaseDelegate::Execute() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:521]
UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:275]
UE4Editor_Slate!::operator()() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4598]
UE4Editor_Slate!FEventRouter::Route >() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:215]
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4587]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5041]
UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5021]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1510]
UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1850]
UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:745]
UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:667]
user32
user32
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:903]
UE4Editor!FEngineLoop::Tick() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2729]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\launch.cpp:148]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.12+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build++ue4+release-4.12+compile\sync\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