E4220 Cmd Rej: Mated linksets must have APCs of same network type
Mated linksets must have adjacent point codes that share a common network type.
Recovery
Display the linkset and APC information. Enter the rtrv-ls command.
Revise the data as necessary. Refer to the Database Administration - SS7 User's Guide (SS7 links) and to the Database Administration - IP7 User's Guide (IP links) for assistance.
Re-enter the chg-ls command that generated this error message.