Error 0x80040D43

Value: -2147218109 | 0x80040D43 | 2147749187

What does it mean ?

GTHR_E_FROM_NOT_SPECIFIED  
The e-mail address is missing. Type an e-mail address.
Value: 3395 | 0x0D43 | 0b0000110101000011

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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