Error 0x80040E9F

Value: -2147217761 | 0x80040E9F | 2147749535

What does it mean ?

DB_E_NOCONSTRAINT  
Constraint does not exist.
Value: 3743 | 0x0E9F | 0b0000111010011111

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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