E2408 Cmd Rej: CSPC broadcast group already exists
If the pc parameter is not specified, then the value entered for the grp parameter cannot already exist.
Recovery
Display the CSPC broadcast group names. Enter the rtrv-cspc command.
Re-enter the ent-cspc 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.