E4634 Cmd Rej: No change in APC actually requested
The adjacent point code specified by the apc parameter must differ from the APC value for the linkset specified by the lsn parameter.
Recovery
Display the point codes associated with the linksets. Enter the rtrv-ls command.
Re-enter the chg-ls command that generated this error message, specifying a valid combination of parameters. Refer to the Database Administration - SS7 User's Guide for assistance.