Side note: I had a similiar issue while editing a service via dietpi-service and the workaround was to set a single line ExecStart= before the actual ExecStart=HERE_COMES_SOMETHING.
See: Papermc.service: Failed with result 'exit-code' - #3 by Jappe
Side note: I had a similiar issue while editing a service via dietpi-service and the workaround was to set a single line ExecStart= before the actual ExecStart=HERE_COMES_SOMETHING.
See: Papermc.service: Failed with result 'exit-code' - #3 by Jappe