Error 0x8004505F

Value: -2147200929 | 0x8004505F | 2147766367

What does it mean ?

SPERR_NOT_SUPPORTED_FOR_SHARED_RECOGNIZER  
The method called is not supported for the shared recognizer. For example, ISpRecognizer::GetInputStream().
Value: 20575 | 0x505F | 0b0101000001011111

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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