Error 0x80040D51

Value: -2147218095 | 0x80040D51 | 2147749201

What does it mean ?

GTHR_E_INVALID_START_PAGE  
The content source is not specified or is invalid. Type a host name that does not contain * or spaces.
Value: 3409 | 0x0D51 | 0b0000110101010001

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

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