Error 0x80045046

Value: -2147200954 | 0x80045046 | 2147766342

What does it mean ?

SPERR_MULTI_LINGUAL_NOT_SUPPORTED  
The selected voice was registered as multi-lingual. SAPI does not support multi-lingual registration.
Value: 20550 | 0x5046 | 0b0101000001000110

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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