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Build Crash

Hello. I'm getting this whenever i want to build lights.

I migrated all those assets from 4.10 to 4.12 and that could be a problem.

 MachineId:FA49529E4AE0DC5C164E05A914B60060 EpicAccountId:412f09b277d24dd885acc2223e7aefce
 
 Assertion failed: GConfig->GetBool(TEXT("DevOptions.StaticLighting"), TEXT("bUseEmbree"), bConfigBool, GLightmassIni) [File:D:\Build\++UE4+Release-4.12+Compile\Sync\Engine\Source\Editor\UnrealEd\Private\Lightmass\Lightmass.cpp] [Line: 1818] 
 
 
 
 UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:440] UE4Editor_UnrealEd!FLightmassExporter::WriteSceneSettings() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:1819] UE4Editor_UnrealEd!FLightmassExporter::WriteToChannel() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:548] UE4Editor_UnrealEd!FLightmassProcessor::InitiateExport() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:2447] UE4Editor_UnrealEd!FStaticLightingSystem::InitiateLightmassProcessor() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:2014] UE4Editor_UnrealEd!FStaticLightingSystem::BeginLightmassProcess() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:581] UE4Editor_UnrealEd!FStaticLightingManager::CreateStaticLightingSystem() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:224] UE4Editor_UnrealEd!UEditorEngine::BuildLighting() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:2310] UE4Editor_UnrealEd!FEditorBuildUtils::EditorBuild() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\unrealed\private\editorbuildutils.cpp:339] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::BuildLightingOnly_Execute() [d:\build\++ue4+release-4.12+compile\sync\engine\source\editor\leveleditor\private\leveleditoractions.cpp:568] UE4Editor_LevelEditor!TBaseStaticDelegateInstance<void
 __cdecl(void)>::ExecuteIfSafe() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:1021] UE4Editor_Slate!FUICommandList::ExecuteAction() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\commands\uicommandlist.cpp:87] UE4Editor_Slate!SMenuEntryBlock::OnClicked() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:1027] UE4Editor_Slate!SMenuEntryBlock::OnMenuItemButtonClicked() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:987] UE4Editor_Slate!TMemberFunctionCaller<SMenuEntryBlock,FReply (__cdecl SMenuEntryBlock::*)(void)
 __ptr64>::operator()<>() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161] UE4Editor_Slate!TTupleImpl<TIntegerSequence<unsigned int>
 >::ApplyAfter_ExplicitReturnType<FReply,TMemberFunctionCaller<SMenuEntryBlock,FReply (__cdecl SMenuEntryBlock::*)(void)
 __ptr64> >() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\public\delegates\tuple.h:128] UE4Editor_Slate!TBaseSPMethodDelegateInstance<0,SMenuEntryBlock,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<FReply>::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!SMenuEntryButton::OnMouseButtonUp() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\multibox\smenuentryblock.cpp:385] UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator()() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4598] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>
 >() [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:1507] UE4Editor_Core!FWindowsApplication::DeferMessage() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:1847] UE4Editor_Core!FWindowsApplication::ProcessMessage() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:742] UE4Editor_Core!FWindowsApplication::AppWndProc() [d:\build\++ue4+release-4.12+compile\sync\engine\source\runtime\core\private\windows\windowsapplication.cpp:664] 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

Product Version: UE 4.12
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asked Jun 24 '16 at 05:53 PM in Rendering

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Mugurel Enache
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Help somebody! I also have this problem. Who knows the answer !? Help!

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answered Aug 29 '16 at 12:06 AM

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Khan Shakhmilav
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