Error 0x0004507C

Value: 282748 | 0x0004507C | 282748

What does it mean ?

SP_NO_WORDENTRY_NOTIFICATION  
The engine does not need SAPI word entry handles for this grammar
Value: 20604 | 0x507C | 0b0101000001111100

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