Hi!
I had just downloaded 4.13 preview 3 and upgraded my original 4.12 project, however I cannot seem to build lights at all.
It will instantly fail and the error “Lighting build failed. Swarm failed to kick off” will pop up.
I have tried building lights with a default, new project in 4.13 and that works fine, however my project level seems to be the issue. In 4.12 it had successfully built and I had not made any changes to the level besides upgrading it.
From what I can see the only error in my output log is “MapCheck:Error: Error WorldInfo_0 Maps need lighting rebuilt”, but this seems to be the reason why my light build will fail…
This is what shows in the output log:
“LightingResults: New page: Lighting Build - 26 Aug 2016 1:17:17 am
LogSwarmInterface: [OpenConnection] Registering TCP channel …
LogSwarmInterface: [OpenConnection] Connecting to agent …
LogSwarmInterface: [TryOpenConnection] Testing the Agent
LogSwarmInterface: [TryOpenConnection] Opening Connection to Agent
LogSwarmInterface: [TryOpenConnection] Local Process ID is 9192
LogStaticLightingSystem: Running Lightmass w/ ImmediateImport mode ENABLED
LogStaticLightingSystem: Running Lightmass w/ ImmediateProcess mode ENABLED
LogStaticLightingSystem: Running Lightmass w/ Sorting mode ENABLED
LogStaticLightingSystem: Running Lightmass w/ Mapping paddings ENABLED
LogStaticLightingSystem: Running Lightmass w/ Mapping debug paddings DISABLED
Cmd: MAP CHECK DONTDISPLAYDIALOG
MapCheck: New page: FirstPersonExampleMap1 - 26 Aug 2016 1:17:18 am
MapCheck:Error: Error WorldInfo_0 Maps need lighting rebuilt
MapCheck: Info Map check complete: 1 Error(s), 0 Warning(s), took 133.172ms to complete.
LogEditorBuildUtils: Build time 0:05”
Any suggestions?
I’ve also tried:
- migrating the project to a brand new project
- deleting all the lights and rebuilding = no error, but swarm will still fail to kick off
- restarted the engine
- cleaned and validated the swarm cache
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