Cataclysm Error 5

[
  {
    "type": "GENERIC",
    "id": "stick_of_heroism",
    "name": "Stick of Heroism",
    "description": "Only to appear when the end of times come, this stick can only be held by a true hero of the cataclysm!",
    "weight": 454,
    "color": "brown",
    "symbol": "/",
    "material": [ "wood" ],
    "techniques": [ "BRUTAL" ],
    "flags": "NONCONDUCTIVE",
    "volume": 6,
    "bashing": 50,
    "price": 500,
    "to_hit": 5
  },

  {
   "type": "GENERIC",
   "id": "serrated_can",
   "name": "serrated can",
   "description": "You took a metal can and somehow serrated the sides of it. Be careful not to lose a finger when using it.",
   "weight": 454,
   "color": "grey",
   "symbol": "0",
   "material": [ "aluminum" ],
   "volume": 2,
   "cutting": 10,
   "price": 50,
   "to_hit": -2
  },
 {
    "type": "GENERIC",
    "id": "giant_axe",
    "name": "giant axe",
    "description": "Judging from the stupidly large weight and size, you can only assume this was either used by a Transformer or some sort of gigantic monstrosity.",
    "weight": 454000000,
    "color": "brown",
    "symbol": "P",
    "material": [ "wood", "hardsteel" ],
    "techniques": [ "BRUTAL" ],
    "volume": 1000000,
    "bashing": 250,
    "cutting": 1000,
    "price": 5000000,
    "to_hit": -100
  },

  {
   "type": "GENERIC",
   "id": "plutonium_dagger",
   "name": "plutonium dagger",
   "description": "While small, this dagger can puncture through some serious armor!",    "weight": 45400,
   "color": "red",
   "symbol": "\",
   "material": [ "scale_plutonium_material" ],
   "volume": 7,
   "cutting": 75,
   "bashing": 10,
   "price": 500000,
   "to_hit": 1
  }
]