Forum :: Seose :: Monster drop not working

  /* Swamp Monster */
  [npc139]
  {
    [drop] MinCount=50 MaxCount=150
    [drop] Item=259 Chance=10
    [drop] Item=14 Chance=10
    [drop] Item=397 Chance=10
  }

i think i have this set up right  Could someone please tell me why its not doping anything