CfprApProcessorUnitId and CfprApEquipmentPsuOperability are imported from MIB CISCO-FIREPOWER-AP-TC-MIB.
If you do not have that MIB, the symbols won't resolve.
It is also possible that you do have a version of that MIB which is too old/new and doesn't contain those symbols or has issues of its own, preventing a proper import.