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Lighting won't build Third Person

I cannot build lighting in my current project.

11:08:42 PM: [Interface:TryOpenConnection] Local connection established 11:08:42 PM: [Job] Accepted Job 6EA303D6-423DED03-F75FCC83-D146DCEE 11:08:42 PM: [Job] Launched Job UnrealLightmass_2016-04-22_05-54-17_1333704-64bit.exe 11:08:42 PM: [Job] PID is 9600 11:08:42 PM: [Job] GUID is "6EA303D6-423DED03-F75FCC83-D146DCEE" 11:08:43 PM: LogLightmass:Display: Lightmass Win64 started on: EJ-PC. Command-line: 6EA303D6423DED03F75FCC83D146DCEE 11:08:43 PM: Lightmass Win64 started on: EJ-PC. Command-line: 6EA303D6423DED03F75FCC83D146DCEE 11:08:43 PM: LogLightmass:Display: Processing scene GUID: 6EA303D6423DED03F75FCC83D146DCEE with 4 threads 11:08:43 PM: Processing scene GUID: 6EA303D6423DED03F75FCC83D146DCEE with 4 threads 11:08:43 PM: Building static lighting... 11:08:43 PM: LogGenericPlatformMisc:Warning: Failed to determine engine directory: Defaulting to ../../../Engine/ 11:08:43 PM: Failed to determine engine directory: Defaulting to ../../../Engine/ 11:08:43 PM: [Job] Found a parent connection for PID 9600 11:08:43 PM: [Job] 3E3DB6A5 -> 1D7A1243 11:08:43 PM: [Interface:TryOpenConnection] Local connection established 11:08:43 PM: LogUnrealMath:Error: FMatrix::InverseFast(), trying to invert a NIL matrix, this results in NaNs! Use Inverse() instead. 11:08:43 PM: FMatrix::InverseFast(), trying to invert a NIL matrix, this results in NaNs! Use Inverse() instead. 11:08:43 PM: LogOutputDevice:Warning: === Handled error: === 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: Ensure condition failed: false [File:d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\math\UnrealMatrix.h] [Line: 266] 11:08:43 PM: 11:08:43 PM: FMatrix::InverseFast(), trying to invert a NIL matrix, this results in NaNs! Use Inverse() instead. 11:08:43 PM: 11:08:43 PM: Stack: 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: KERNEL32.DLL 11:08:43 PM: 11:08:43 PM: ntdll.dll 11:08:43 PM: 11:08:43 PM: ntdll.dll 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: === Handled error: === 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: Ensure condition failed: false [File:d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\public\math\UnrealMatrix.h] [Line: 266] 11:08:43 PM: 11:08:43 PM: FMatrix::InverseFast(), trying to invert a NIL matrix, this results in NaNs! Use Inverse() instead. 11:08:43 PM: 11:08:43 PM: Stack: 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass-Core.dll 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: UnrealLightmass.exe 11:08:43 PM: 11:08:43 PM: KERNEL32.DLL 11:08:43 PM: 11:08:43 PM: ntdll.dll 11:08:43 PM: 11:08:43 PM: ntdll.dll 11:08:43 PM: 11:08:43 PM: 11:08:43 PM: LogWindows:Error: Windows GetLastError: The operation completed successfully. (0) 11:08:43 PM: Windows GetLastError: The operation completed successfully. (0) 11:08:57 PM: [MaintainConnections] Detected dropped local connection, cleaning up (1D7A1243) 11:08:57 PM: [CloseConnection] Closing connection 1D7A1243 using handle 1D7A1243 11:08:57 PM: [CloseConnection] Connection confirmed for disconnection 1D7A1243 11:08:57 PM: [CloseConnection] Connection disconnected 1D7A1243 11:08:57 PM: [GetMessage] Safely returning to 1D7A1243 with no message 11:08:57 PM: [Job] Job has failed! Job executable didn't exit cleanly. Exit code: -1073741819 11:08:57 PM: [CloseConnection] Closing connection 3E3DB6A5 using handle 3E3DB6A5 11:08:57 PM: [CloseConnection] Connection confirmed for disconnection 3E3DB6A5 11:08:57 PM: [CloseConnection] Closing orphaned Job (6EA303D6-423DED03-F75FCC83-D146DCEE) 11:08:57 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:08:57 PM: [MaintainConnections] Local connection has closed (1D7A1243) 11:08:57 PM: [MaintainConnections] Removed connection 1D7A1243 11:08:58 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:08:58 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:08:59 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:00 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:00 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:01 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:01 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:02 PM: [MaintainConnections] Connection 3E3DB6A5 is DISCONNECTING 11:09:02 PM: [CloseConnection] Connection disconnected 3E3DB6A5 11:09:02 PM: [GetMessage] Safely returning to 3E3DB6A5 with no message 11:09:02 PM: [MaintainConnections] Local connection has closed (3E3DB6A5) 11:09:02 PM: [MaintainConnections] Removed connection 3E3DB6A5 11:09:02 PM: [MaintainConnections] All connections have closed

Please assist.

Product Version: UE 4.10
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asked Oct 27 '16 at 07:41 AM in Using UE4

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EJFlesher
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avatar image EJFlesher Oct 31 '16 at 12:19 AM

Bump for visibility as I have not resolved this issue. I have looked all over the interwebz and have not been able to find a way around this. I am not sure what to do from this point.

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Hi EJFlesher,

Try some of the solutions on this page for the following:

I also see from the log above that you're on 4.10. You may want to try a later version like 4.12 or 4.13 as I seem to recall there being some issues with light builds in 4.9 and 4.10 that had to be resolved. They didn't affect everyone, but it was more common with those builds I think.

-Tim

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answered Oct 31 '16 at 02:34 PM

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Tim Hobson ♦♦ STAFF
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avatar image EJFlesher Oct 31 '16 at 08:26 PM

Thank you very much for your response. I deleted all of my superfluous assets (plant material mainly) and cleaned and validated cache in Swarm it resolved itself. I use 4.10 because I purchased an asset pack from the market some time back that i am using and it has not been updated to newer versions yet. In any event I appreciate your time and expertise.

avatar image Tim Hobson ♦♦ STAFF Oct 31 '16 at 09:00 PM

You should be able to open the asset in later versions of the engine as well. That shouldn't prevent you from being able to use them, especially with all the improvements to rendering and lightmass along the way. :)

Especially if it's just assets and not Blueprints which can often change depending on improvements and deprecations. Anyway, glad all is well now for your project.

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