The value specified for the destination point code parameter cannot already exist as an alias point code.
Recovery
Determine the existing alias point code values. Enter the rtrv-dstn command.
The destination point codes are shown in the DPCA, DPCI, DPCN, and DPCN24 fields of the output. The alias point codes are shown in the ALIASA, ALIASI, and ALIASN fields of the output.
Re-enter the ent/chg-ls or ent-dstn 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 and the Database Administration - IP7 User's Guide for assistance.