Symptom
RP/0/RP0/CPU0:ios(config-gnss)#RP/0/RP0/CPU0:Mar 31 02:13:33.706 UTC: fsyncmgr[375]: %L2-FSYNC-4-INTF_STATUS_ERROR : Failed to handle interface status change for GNSS Receiver 0 location 0/RP0/CPU0: received invalid QL Opt-I/PRC from platform
Conditions
configure GNSS input for frequency sync