Error 0x80042604

Value: -2147211772 | 0x80042604 | 2147755524

What does it mean ?

NOTESPH_E_ITEM_NOT_FOUND  
A requested item is not found.
Value: 9732 | 0x2604 | 0b0010011000000100

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