fix error code for a duplicate error to be DUPLICATE_ERROR not DATABASE_ERROR
fix error code for a duplicate error to be DUPLICATE_ERROR not DATABASE_ERROR

ahelsing/geni-ch,MarshallBrinn/geni-ch,ahelsing/geni-ch,tcmitchell/geni-ch,tcmitchell/geni-ch,MarshallBrinn/geni-ch