Error 0x800401F9

Value: -2147220999 | 0x800401F9 | 2147746297

What does it mean ?

CO_E_ERRORINDLL  
Error in the DLL
Value: 505 | 0x01F9 | 0b0000000111111001

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