DFS4851E INVALID PSB
Explanation
The PSB that was specified on the EXEC parameters in the JCL is invalid.
System action
The issuing IMS catalog utility failed.
System programmer response
Correct the PSB name and run the utility again. Specify DFSCP000 (ACBMGMT=ACBLIB) or DFSCP001 (ACBMGMT=CATALOG) and run the utility again. Specify DFSCP001 when running the Catalog Maintenance utility.