E4409 Cmd Rej: CGSSN parm must be specified if GTTSN is type of CGSSN
The cgssn parameter must be specified if the value specified for the GTTSN set type is cgssn. The cgssn parameter can only be specified if the GTTSN set type is cgssn.
Recovery
Display the set types. Enter the rtrv-gttset command.
Change the set type if desired. Refer to the Database Administration - GTT User's Guide for assistance.
Re-enter the ent/chg/dlt-gta command that generated this error message.