SAP Message 00550 - Step & started (program &, variant &, user ID &)

Diagnosis
The system outputs this message at the start of every job step and istherefore usually located in a job log.
This message means that step &V1& is currently being started. Theadditional parameters give further details on the step itself:
- the ABAp program executed in this step (here &V2&)
- the corresponding parameter (here &V3&)
If this field is empty, then program &V2& does not need anyparameters.
- the name of the user with whose authorization program &V2& isexecuted (here &V4&)