SSUM - STEPSUM

SSUM001E STEPSUM command requires a job name and/or job number: The STEPSUM command was issued without parameters. Issue the command again and specify a jobname, job number, or jobname and job number.
SSUM002E Invalid job number specified: The job number entered was not numeric or it was 0. Issue the command again and specify a valid job number.
SSUM003E Job <jobname jobnum> not found: The STEPSUM command was issued with jobname <jobname>, job number <jobnum>, or both, but the job was not found.
SSUM004W JCL or system messages file not available: The STEPSUM command did not find a JCL or system messages file for the requested job, so no information is displayed.
SSUM005W Not authorized for JCL or system messages file: The STEPSUM command found a JCL or system messages file for the requested job, but you are not authorized to view the file. Use of the STEPSUM command requires authorization to the JCL and system messages file for a job. Contact the security administrator if authorization is required.