Error 0x80045093

Value: -2147200877 | 0x80045093 | 2147766419

What does it mean ?

SPERR_VOICE_NOT_FOUND  
NO given voice is found
Value: 20627 | 0x5093 | 0b0101000010010011

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

Other Errors for FACILITY_ITF