Error 0x80040E50

Value: -2147217840 | 0x80040E50 | 2147749456

What does it mean ?

DB_E_BADSOURCEHANDLE  
Source handle is invalid.
Value: 3664 | 0x0E50 | 0b0000111001010000

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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