E4777 Cmd Rej: Specified route does not exist in the RTX entry
The route associated with the linkset specified by the lsn parameter must already exist in the specified exception route.
Recovery
Display the routes associated with the linksets. Enter the rtrv-rte command.
Display the exception route information. Enter the rtrv-rtx command.
Re-enter the chg-rtx command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands Maunual and to the Database Administration - SS7 User's Guide for assistance.