SAP Message BT103 - User & cannot be scheduled for background processing (incorrect type)

Diagnosis
Only users of type Dialog, System (old names: BDC
, Batch) or Service can be specified as the"authorizations user" for a job step.

System Response
No action taken.

Procedure
Enter a user of one of the permissible types. Leave the user field(AUTCHKNAM parameter in the JOB_SUBMIT function module) empty, forexample, to run a job step under your own authorizations.
You can check on the type classification of a user in theuser maintenance system. (Special authorizations arerequired.)

356855No creation of BP job steps under service user