Error 0x0004507F

Value: 282751 | 0x0004507F | 282751

What does it mean ?

The word being normalized has generated more than the maximum number of allowed normalized results indicates that returned list is not exhaustive, but contains as many alternatives as the engine is willing to provide.
Value: 20607 | 0x507F | 0b0101000001111111

Where does it come from ?

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