Error 0x80040E1A

Value: -2147217894 | 0x80040E1A | 2147749402

What does it mean ?

DB_E_CANNOTFREE  
Provider has ownership of this tree.
Value: 3610 | 0x0E1A | 0b0000111000011010

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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