Error 0x8004500E

Value: -2147201010 | 0x8004500E | 2147766286

What does it mean ?

SPERR_FORMAT_NOT_SPECIFIED  
Caller did not specify a format prior to opening a stream.
Value: 20494 | 0x500E | 0b0101000000001110

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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