Error 0x80045082

Value: -2147200894 | 0x80045082 | 2147766402

What does it mean ?

SPERR_PHONEME_CONVERSION  
Cannot convert the phonemes to the specified phonetic alphabet.
Value: 20610 | 0x5082 | 0b0101000010000010

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