JES000046E Jnnnnnnn - Failed to retrieve catalog information for JESYSMSG record for job <Original Job Number> specified in restart parameter. Status: <File Status>.

The catalog record for the original job's JESYSMSG file could not be returned. The File Status gives an indication of the reason. The JESYSMSG record for the original job must be in the catalog for the new job to be submitted as a restart of it.