Checked config through json checker and cant seem to find any errors?

{
  "Use Permission": true,
  "Speed Multipliers": {
    "global": 2.0,
    "furnace": 2.0,
    "furnace.large": 2.0,
    "small.oil.refinery": 2.0
  },
  "Fuel Usage Speed Multipliers": {
    "global": 2.0,
    "furnace": 2.0,
    "furnace.large": 2.0,
    "small.oil.refinery": 2.0
  },
  "Fuel Usage Multipliers": {
    "global": 2.0,
    "furnace": 2.0,
    "furnace.large": 2.0,
    "small.oil.refinery": 2.0
  },
  "Output Multipliers": {
    "global": {
      "global": 1.0
    },
    "furnace.shortname": {
      "item.shortname": 1.0
    }
  },
  "Whitelist": {
    "global": [
      "item.shortname"
    ],
    "furnace.shortname": [
      "item.shortname"
    ]
  },
  "Blacklist": {
    "global": [
      "item.shortname"
    ],
    "furnace.shortname": [
      "item.shortname"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}​

Fuel Usage Multipliers

Is an integer not a float and CANNOT have any numbers with a dot.

Thank you!