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EditorCrashWhenMultiPIE

Editor crash all the time when i start "New Editor Window (PIE)" (Number Players 2 or more)

MachineId:D147E104428FFEDDAB234CAA32913B06 EpicAccountId:7efdafd4945844debd7851c968a1d011

Assertion failed: MetaClass [File:D:\Build\++UE4+Release-4.13+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\PropertyClass.cpp] [Line: 109]

UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:421] UE4Editor_CoreUObject!UClassProperty::GetCPPType() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\propertyclass.cpp:110] UE4Editor_Engine!FRepLayout::AddPropertyCmd() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\replayout.cpp:2616] UE4Editor_Engine!FRepLayout::InitFromProperty_r() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\replayout.cpp:2831] UE4Editor_Engine!FRepLayout::InitFromProperty_r() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\replayout.cpp:2820] UE4Editor_Engine!FRepLayout::InitFromObjectClass() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\replayout.cpp:2863] UE4Editor_Engine!UNetDriver::GetObjectClassRepLayout() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\networkdriver.cpp:3303] UE4Editor_Engine!UNetDriver::FindOrCreateRepChangedPropertyTracker() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\networkdriver.cpp:3287] UE4Editor_Engine!AActor::CallPreReplication() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\actor.cpp:924] UE4Editor_Engine!UNetDriver::ServerReplicateActors_BuildConsiderList() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\networkdriver.cpp:2435] UE4Editor_Engine!UNetDriver::ServerReplicateActors() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\networkdriver.cpp:2906] UE4Editor_Engine!UNetDriver::TickFlush() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\networkdriver.cpp:304] UE4Editor_Engine!TBaseUObjectMethodDelegateInstance<0,UNetDriver,void __cdecl(float)>::ExecuteIfSafe() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl.h:848] UE4Editor_Engine!TBaseMulticastDelegate::Broadcast() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\core\public\delegates\delegatesignatureimpl.inl:921] UE4Editor_Engine!UWorld::Tick() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\engine\private\leveltick.cpp:1391] UE4Editor_UnrealEd!UEditorEngine::Tick() [d:\build++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:1408] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [d:\build++ue4+release-4.13+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:371] UE4Editor!FEngineLoop::Tick() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2834] UE4Editor!GuardedMain() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\launch.cpp:156] UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() [d:\build++ue4+release-4.13+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

Product Version: UE 4.13
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asked Oct 31 '16 at 03:20 AM in Bug Reports

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TA-ZORN
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Hey TA-ZORN,

I have a few questions that will be able to help narrow down the cause of this crash:

  • Could you please cause the crash to occur again, and then provide the logs from your project's Saved->Logs folder?

  • Could you attempt to reproduce this crash in a clean project, and then provide detailed list of repro steps if you are able to do so?

  • Could you upgrade a copy of the project to 4.14 Preview 1 and see if the crash is still occurring there?

Thanks

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answered Nov 01 '16 at 01:46 PM

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Sean L ♦♦ STAFF
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