Error 0x8004400F

Value: -2147205105 | 0x8004400F | 2147762191

What does it mean ?

PEOPLE_IMPORT_E_DOMAIN_REMOVED  
The specified domain (%1) has been removed from import configuration.
Value: 16399 | 0x400F | 0b0100000000001111

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF