E4216 Cmd Rej: Linkset cannot be the mate of another linkset
The specified linkset cannot already be the mate of another linkset.
Recovery
Display the mates of specified linksets. Enter the rtrv-ls command.
The output displays mates of other linksets under the MATELSN heading.
As necessary delete the linkset as a mate from the other linkset that specifies it as a mate LSN. 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 command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide for assistance.