@pf_breton
Pierre-Felix can you help me on an other on. I running building light map from command line. Starts well but after beginning I have this info on the log, and it stops?
....
[2019.12.13-13.57.58:467] 0]LogDerivedDataCache: Display: Loaded Boot cache: C:/Users/ignac/AppData/Local/UnrealEngine/4.23/DerivedDataCache/Boot.ddc
[2019.12.13-13.57.58:490] 0]LogDerivedDataCache: Display: Pak cache opened for reading ../../../Engine/DerivedDataCache/Compressed.ddp.
[2019.12.13-13.57.58:497] 0]LogDerivedDataCache: Display: Pak cache opened for reading ../../../Enterprise/DerivedDataCache/Compressed.ddp.
[2019.12.13-13.58.31:147] 0]LogContentCommandlet: Display: Loading
[2019.12.13-13.58.31:148] 0]LogPackageName: Error: DoesPackageExist: DoesPackageExist FAILED: 'None' is not a standard unreal filename or a long path name. Reason: Path should start with a '/'
[2019.12.13-13.58.31:148] 0]LogUObjectGlobals: Warning: Failed to load '': Can't find file.
[2019.12.13-13.58.31:216] 0]LogContentCommandlet: Display: [REPORT] 0/1 packages required resaving
[2019.12.13-13.58.31:216] 0]LogInit: Display:
[2019.12.13-13.58.31:217] 0]LogInit: Display: Warning/Error Summary (Unique only)
[2019.12.13-13.58.31:217] 0]LogInit: Display: -----------------------------------
[2019.12.13-13.58.31:217] 0]LogInit: Display: LogPackageName: Error: DoesPackageExist: DoesPackageExist FAILED: 'None' is not a standard unreal filename or a long path name. Reason: Path should start with a '/'
[2019.12.13-13.58.31:217] 0]LogInit: Display: LogUObjectGlobals: Warning: Failed to load '': Can't find file.
[2019.12.13-13.58.31:217] 0]LogInit: Display:
[2019.12.13-13.58.31:217] 0]LogInit: Display: Failure - 1 error(s), 1 warning(s)