E2319 Cmd Rej: New class name cannot be the same as an existing class name
The value specified for the nclass parameter cannot be the same as an existing class name.
Recovery
Display a list of valid command class names. Enter the rtrv-cmdclass command.
Re-enter the chg-cmdclass 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 - System Management User's Guide for assistance.