https://monome.org/docs/norns/
HELP
ERROR: AUDIO ENGINE
If norns shows ERROR: AUDIO ENGINE chances are there’s a problem with duplicate SuperCollider classes.
To solves this connect via wifi and open maiden. Go to the SuperCollider REPL tab, type ;restart and press enter.
This will restart the audio components and output their logs. If there’s a duplicate class an error message like the following will be shown:
ERROR: duplicate Class found: ‘Engine_Some’
/home/we/dust/code/somescript1/lib/Engine_Some.sc
/home/we/dust/code/somescript1-copy/lib/Engine_Some.sc
ERROR: There is a discrepancy.
Remove one of the offending scripts/classes and either completely restart norns or execute ;restart again from maiden and all should be good again.