How to disable the Looper on the Stage

Assign the looper switch to something else (one of the stomp or FX modules)

As Keller said.

I use the loop sometimes for practicing improvising over chord changes but never use it live. Therefore, I currently have the looper Switch assigned to Rotary Fast/Slow.

System menu on the KPA itself. Can’t be done via Rig Manager.

Pedal button and then scroll the settings