Okay, so the shader model itself is working fine and I can play the level in-editor just fine. however It /absolutely/ refuses to allow me to either build the lighting or to launch the level outside of the editor, rendering the whole thing entirely useless for the moment.
Error messages:
On Build
- Lighting build failed, Swarm failed to kick off
On Launch
LogPlayLevel: Running AutomationTool…
LogPlayLevel: Access is denied.
LogPlayLevel: copying UAT log files…
LogPlayLevel: RunUAT.bat ERROR: AutomationTool was unable to run successfully.
LogPlayLevel: Completed Launch On Stage: Build Task, Time: 3.756214
LogPlayLevel: BUILD FAILED
PackagingResults:Error: Error Launch failed! Unknown Error
So far I’ve tried:
- Starting new project files/starting new levels
- recompiling the source
- recompiling the source in ‘development’ mode instead of ‘development editor’ ( goes smoothly and builds without error until I attempt to Start new instance, at point it gives me a message that tells me the plugin ‘OculusAudio’ could not be found. I’ve found no fix for , apparently it was an issue that was patched in an earlier version of the engine.)
- redownloading the source and recompiling
- moving the source from (E: drive to (C:
These issues ONLY appear with the Shader Model version of the engine, the regular source compiles and functions perfectly normally, the lighting rebuilds fine, the level is playable outside of the editor. 100% perfect, no issues.
At point I can only assume its an error I’m making somewhere, but so far I’ve been totally unable to figure out where and any attempts I’ve made to get around the errors have just been met with new, even less well-documented errors. 
If anyone has suggestions, I’d love to know. Thanks ahead of time!
UPDATE EDIT - Having had no luck getting the source to run properly on my workstation PC, I attempted to get it to work on a different machine. It works fine there so it must be something on my end causing the problem. I’ll continue trying to narrow it down and update with a solution if I find one in the event anyone else has the same issue.