Building lightning causes crash in 4.1

what’s going on?

Unknown exception - code 00000001 (first/second chance not available)

KERNELBASE + 37901 bytes
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() + 684 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:113]
UE4Editor_Core!FMsg::Logf__VA() + 570 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\misc\outputdevice.cpp:518]
UE4Editor_Core!FDebug::AssertFailed() + 496 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\misc\outputdevice.cpp:176]
UE4Editor_UnrealEd!FLightmassProcessor::FLightmassProcessor() + 613 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\lightmass\lightmass.cpp:2210]
UE4Editor_UnrealEd!FStaticLightingSystem::CreateLightmassProcessor() + 539 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:1685]
UE4Editor_UnrealEd!FStaticLightingSystem::BeginLightmassProcess() + 6966 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:564]
UE4Editor_UnrealEd!FStaticLightingManager::CreateStaticLightingSystem() + 96 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:214]
UE4Editor_UnrealEd!UEditorEngine::BuildLighting() + 302 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\staticlightingsystem\staticlightingsystem.cpp:2118]
UE4Editor_UnrealEd!FEditorBuildUtils::EditorBuild() + 1047 bytes [d:\unrealengine-4.1.0-release\engine\source\editor\unrealed\private\editorbuildutils.cpp:265]
UE4Editor_LevelEditor!TBaseStaticDelegateInstance_NoParams::ExecuteIfSafe() + 10 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\public\templates\delegateinstancesimpl.inl:832]
UE4Editor_Slate!FUICommandList::ExecuteAction() + 160 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\inputbinding.cpp:780]
UE4Editor_Slate!SMenuEntryBlock::OnClicked() + 884 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\multibox\smenuentryblock.cpp:827]
UE4Editor_Slate!SMenuEntryBlock::OnMenuItemButtonClicked() + 24 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\multibox\smenuentryblock.cpp:786]
UE4Editor_Slate!TBaseSPMethodDelegateInstance_RetVal_NoParams::Execute() + 76 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\public\templates\delegateinstancesimpl.inl:223]
UE4Editor_Slate!TBaseDelegate_RetVal_NoParams::Execute() + 26 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\public\templates\delegatesignatureimpl.inl:996]
UE4Editor_Slate!SButton::OnMouseButtonUp() + 293 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\sbutton.cpp:185]
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpMessage() + 607 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\slateapplication.cpp:3576]
UE4Editor_Slate!FSlateApplication::OnMouseUp() + 329 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\slate\private\slateapplication.cpp:3544]
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() + 2908 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsapplication.cpp:1177]
UE4Editor_Core!FWindowsApplication::DeferMessage() + 273 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsapplication.cpp:1468]
UE4Editor_Core!FWindowsApplication::ProcessMessage() + 3139 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsapplication.cpp:595]
UE4Editor_Core!FWindowsApplication::AppWndProc() + 98 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsapplication.cpp:461]
user32 + 105425 bytes
user32 + 104666 bytes
UE4Editor_Core!WinPumpMessages() + 57 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:582]
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() + 75 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:610]
UE4Editor!FEngineLoop::Tick() + 3071 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\launch\private\launchengineloop.cpp:1967]
UE4Editor!GuardedMain() + 476 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\launch\private\launch.cpp:132]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor!WinMain() + 249 bytes [d:\unrealengine-4.1.0-release\engine\source\runtime\launch\private\windows\launchwindows.cpp:207]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

Hi timurio,

Does this happen in every project or have you only experienced it in one? For instance, does this crash occur when you build lighting in a fresh project with no other content in it? Thank you!

Hi timurio,

We have not heard from you in quite some time. I am marking this as accepted for tracking purposes. If you are still experiencing this, please respond with the information requested. Thank you!