E5139 Cmd Rej: CGCNVSN Gttset name cannot be same as GTTSN Gttset name
The value specified for the gttsn parameter cannot be the same as the value specified for the cgcnvsn parameter.
Recovery
Display the existing values for the parameters. Enter the rtrv-gta command.
Re-enter the ent/chg-gta command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide and to the Database Administration - GTT User's Guide for assistance.