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Crash on compile. Every 1-5 compile or save project.

MachineId:69C681694AD1F365308BDB9CE84E35AD EpicAccountId:a2c93c49f6f44fb29b75a594d79425a5

Access violation - code c0000005 (first/second chance not available)

UE4Editor_CoreUObject!HandlePlaceholderScriptRef() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:1416] UE4Editor_CoreUObject!UStruct::SerializeExpr() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\public\uobject\scriptserialization.h:363] UE4Editor_CoreUObject!UStruct::SerializeExpr() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\public\uobject\scriptserialization.h:301] UE4Editor_CoreUObject!UStruct::Serialize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:1278] UE4Editor_CoreUObject!UFunction::Serialize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4487] UE4Editor_CoreUObject!FFindReferencersArchive::ResetPotentialReferencer() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\serialization\findreferencersarchive.cpp:88] UE4Editor_UnrealEd!TFindObjectReferencers::TFindObjectReferencers() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\public\serialization\findobjectreferencers.h:48] UE4Editor_UnrealEd!FReplaceReferenceHelper::FindAndReplaceReferences() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:65] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::FinalizeFastReinstancing() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:604] UE4Editor_UnrealEd!FReinstanceFinalizer::Finalize() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:555] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReinstanceObjects() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\kismet2\kismetreinstanceutilities.cpp:911] UE4Editor_UnrealEd!FKismetEditorUtilities::CompileBlueprint() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\kismet2\kismet2.cpp:825] UE4Editor_Kismet!FBlueprintEditor::Compile() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\kismet\private\blueprinteditor.cpp:3202] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,TTypeWrapper __cdecl(void)>::Execute() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:318] UE4Editor_Kismet!TBaseSPMethodDelegateInstance<0,FBlueprintEditor,0,void __cdecl(void)>::ExecuteIfSafe() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:424] UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:92] UE4Editor_Slate!SToolBarButtonBlock::OnClicked() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\multibox\stoolbarbuttonblock.cpp:300] UE4Editor_Slate!TMemberFunctionCaller::operator()<>() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates\delegateinstanceinterface.h:161] UE4Editor_Slate!TTupleImpl >::ApplyAfter >() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates uple.h:116] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SToolBarButtonBlock,0,FReply __cdecl(void)>::Execute() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:318] UE4Editor_Slate!TBaseDelegate::Execute() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:522] UE4Editor_Slate!SButton::OnMouseButtonUp() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\widgets\input\sbutton.cpp:275] UE4Editor_Slate!::operator()() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5010] UE4Editor_Slate!FEventRouter::Route >() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:215] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4999] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5462] UE4Editor_Slate!FSlateApplication::OnMouseUp() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:5439] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1652] UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:2071] UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:814] UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:678] user32 user32 UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:951] UE4Editor!FEngineLoop::Tick() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2811] UE4Editor!GuardedMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launch.cpp:152] UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202] UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264] kernel32 ntdll

This was supposedly fixed in 4.15, we’ll see. I have the same problems as you sadly ;(

Thank you! Wait 4.15!

Hi Kopnin.

I am moving this out of ‘Feedback’ and into the ‘General’ section.

I am sorry to hear you are having a crash on compile. I welcome you to log a bug report on the UE4 Answerhub (click the link in my signature) and support staff can review, although as Victor says this may already be a known and fixed issue.

Cheers