E5290 Cmd Rej: Combined digit length of NPDS & NSDS must not exceed 21
The combined digit length of the values for the specified or previously specified npds and nsds parameters cannot be greater than 21.
Recovery
Display the existing values for the npds and nsds parameters. Enter the rtrv-gtmod command.
Revise the data as necessary. Refer to the Database Administration - GTT User's Guide for assistance.
Re-enter the ent/chg-gtmod 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.