Error 0x800401E9

Value: -2147221015 | 0x800401E9 | 2147746281

What does it mean ?

MK_E_NOTBOUND  
Moniker is not bound
Value: 489 | 0x01E9 | 0b0000000111101001

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