Error 0x80040E36

Value: -2147217866 | 0x80040E36 | 2147749430

What does it mean ?

DB_E_INDEXINUSE  
Index is in use.
Value: 3638 | 0x0E36 | 0b0000111000110110

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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