The value specified for the scrn parameter must already exist in the database.
Recovery
Display the screen sets in the database. Enter the rtrv-scrset command.
Provision a new screen set if desired. Refer to the Database Administration - GWS User's Guide for assistance.
Re-enter the ent/chg-ls 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 - SS7 User's Guide for assistance.