Information Rights Management (IRM): Protector %1 could not be created as an IRM protector COM object. Protector: %2 Protectors ...

Information Rights Management (IRM): Protector %1 could not be created as an IRM protector COM object.
Protector: %2

Protectors must implement an IRM protector interface in order to be created as an IRM protector COM object.  Next, the protector will be created as a generic IUnknown COM object.