Error 0x80040D87

Value: -2147218041 | 0x80040D87 | 2147749255

What does it mean ?

GTHR_E_NOTIFICATION_TYPE_NOT_SUPPORTED  
Alerts for this content source are not supported.
Value: 3463 | 0x0D87 | 0b0000110110000111

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