Example of working config file?Solved
In response to Beetlejuicexx ():
Thanks - I'll rewrite it again, then ;)

Merged post

Error is:QuickSmelt v5.0....
Are you missing commas after the brackets in blacklist? I’m not an expert at this by any means but just trying to help
oh, i could be.. line 143 IS a bracket line. I'll give that a try. (thanks)

edit: after adding the commas, the error has changed:

QuickSmelt v5.0.3: Failed to load config file (is the config file corrupt?)
(Additional text encountered after finished reading JSON content: ​. Path '', line 173, position 1.)

Line 173 is the very last line...
{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 2.0,
    "small.oil.refinery": 2.0,
    "furnace.large": 2.0,
    "campfire": 2.0,
    "BBQ": 2.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 1.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 1,
	"small.oil.refinery": 1,
    "furnace.large": 1,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "small.oil.refinery": 1.0,
      "furnace.large": 1.0,
      "campfire": 1.0,
      "BBQ": 1.0
    },
    "small.oil.refinery": {
      "crude.oil": 1.0
    },
    "furnace.large": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0	  
    },
    "campfire": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0
    },
    "BBQ": {
      "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat.raw": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty",
      "metal.fragments"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequency (Smelt items every N smelting ticks)": 2,
  "Debug": false
}​​

I got past that error with this code. It's different than yours but I can't get the blacklist to work properly.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 2.0,
    "small.oil.refinery": 2.0,
    "furnace.large": 2.0,
    "campfire": 2.0,
    "BBQ": 2.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 1.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 1,
    "small.oil.refinery": 1,
    "furnace.large": 1,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0
    },
    "small.oil.refinery": {
      "crude.oil": 1.0
    },
    "furnace.large": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0	  
    },
    "campfire": {
      "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.pork.raw": 1.0
    },
    "BBQ": {
      "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat.raw": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.pork.raw": 1.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}
This isn't solved, as things still aren't working.
So what is not working? Can you please specify in one message everything, can't get it because of lots of messages.
QuickSmelt v5.0.3: Failed to load config file (is the config file corrupt?)
(Additional text encountered after finished reading JSON content: ​. Path '', line 173, position 1.)
Line 173 is the very last line...


You said yesterday you'd assist with getting it to work. (thanks in advance), (looks like 2 threads have been merged and marked as solved)
Here's the code i have, in the json file

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 2.0,
    "small.oil.refinery": 2.0,
    "furnace.large": 2.0,
    "campfire": 2.0,
    "BBQ": 2.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 1.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 1,
	"small.oil.refinery": 1,
    "furnace.large": 1,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "small.oil.refinery": 1.0,
      "furnace.large": 1.0,
      "campfire": 1.0,
      "BBQ": 1.0
    },
    "small.oil.refinery": {
      "crude.oil": 1.0
    },
    "furnace.large": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0	  
    },
    "campfire": {
      "metal.ore": 1.0,
      "sulfur.ore": 1.0,
      "hq.metal.ore": 1.0,
	  "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0
    },
    "BBQ": {
      "deermeat.raw": 1.0,
      "chicken.raw": 1.0,
      "humanmeat.raw": 1.0,
      "fish.raw": 1.0,
      "bearmeat.raw": 1.0,
      "wolfmeat.raw": 1.0,
      "meat.boar": 1.0,
      "can.tuna.empty": 1.0,
      "can.beans.empty": 1.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore",
	  "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty",
      "metal.fragments"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.boar",
      "can.tuna.empty",
      "can.beans.empty"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
	"BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequency (Smelt items every N smelting ticks)": 2,
  "Debug": false
}​​
Hello lovely Dev,

I know you have hard to work, but I tried since ten days to get your plugin correctly work.

All what the most people want is a simple 3x or 5x sample of your plugin. Thats it.

Instead of helping every noob to get his config done, pls add simply a thread where a correct working 3x or 5x config is.

It drives me nuts and the others too.

Thank you, Sir!
In response to Tater ():
Can someone please post a WORKING json. I am extremely frustrated (more like pissed) with this updat...
Does anyone have a working JSON they can post.  I have tried numerous configurations and none seems to give the desired result - either I get rapid smelting,  burned meat (instantly) but with it insane wood consumption that you cannot seem to alter Or nothing vanilla.     This plugin has always been problematic,  and I definitely feel bad for the Dev.  
Here you all go, messed with it a lot. Working config on our Rustimore Battlefield 100x server, and I wanted 10x Smelting. So this makes everything Smelt 10x faster but the inputs and outputs are default. So 100 ore of metal turns into 100 frags etc and charcoal matches too. But the ratios are default.

If you want 2x smelt, 5x, or whatever, just change the top SPEED values that say 10, and keep everything the same, otherwise ratios get changed.

This also keeps BBQing and campfires default speed to avoid burning meat or placing a campfire in the cold and zipping through the wood.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 10.0,
    "small.oil.refinery": 10.0,
    "furnace.large": 10.0,
    "campfire": 1.0,
    "BBQ": 1.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 1
  },
  "Fuel Usage Multipliers": {
    "furnace": 1,
    "small.oil.refinery": 1,
    "furnace.large": 1,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "charcoal": 1,
      "metal.fragments": 1,
      "sulfur": 1,
      "metal.refined": 1
    },
    "small.oil.refinery": {
      "lowgradefuel": 1
    },
    "furnace.large": {
      "charcoal": 1,
      "metal.fragments": 1,
      "sulfur": 1,
      "metal.refined": 1
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}​
Great job & thanks! Amazing that it took a user to get an example cfg posted. I gave up and ended up installing a version of the plugin I had backed up from last July. Sorry I don't have the version # handy. It's been working great.

I will give this a shot if it has any advantages over the current version I'm running, but at first glance I don't see any. That's nothing to do with you, but it's a testament to the fact that this plugin has been recoded and made overcomplicated when it didn't need to be.

I'm really sorry if I seem salty. I do appreciate the devs on here. 
Thank you for your feedbacks guys. I should rewrite the default configuration and How-To
Thanks Misticos

Merged post

Bah, I ooopsed with the config file, sorry all.

This one is CORRECT for 10x speed. If you want to make it 2x, 5x, 1000x etc, change ALL of the 10s to your Speed desired.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 10.0,
    "small.oil.refinery": 10.0,
    "furnace.large": 10.0,
    "campfire": 1.0,
    "BBQ": 1.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 10.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 10,
    "small.oil.refinery": 10,
    "furnace.large": 10,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "charcoal": 1.0,
      "metal.fragments": 1.0,
      "sulfur": 1.0,
      "metal.refined": 1.0
    },
    "small.oil.refinery": {
      "lowgradefuel": 1.0
    },
    "furnace.large": {
      "charcoal": 1.0,
      "metal.fragments": 1.0,
      "sulfur": 1.0,
      "metal.refined": 1.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}​
Here is a 10x, if you want to make it 5x etc, just change ALL the 10s to your desired speed. Ratios are default, so 100 ore makes 100 frags etc. Because with quicksmelt you can tinker with all sorts. This is just SPEED changed.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 10.0,
    "small.oil.refinery": 10.0,
    "furnace.large": 10.0,
    "campfire": 1.0,
    "BBQ": 1.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 10.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 10,
    "small.oil.refinery": 10,
    "furnace.large": 10,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "charcoal": 1.0,
      "metal.fragments": 1.0,
      "sulfur": 1.0,
      "metal.refined": 1.0
    },
    "small.oil.refinery": {
      "lowgradefuel": 1.0
    },
    "furnace.large": {
      "charcoal": 1.0,
      "metal.fragments": 1.0,
      "sulfur": 1.0,
      "metal.refined": 1.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}

Merged post

Bah, I double oopsed, sorry last time all. Double and triple checked everything. Here is a 10x working config lol :) I didn't have the output changed above, I do in this.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 10.0,
    "small.oil.refinery": 10.0,
    "furnace.large": 10.0,
    "campfire": 1.0,
    "BBQ": 1.0
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 10.0
  },
  "Fuel Usage Multipliers": {
    "furnace": 10,
    "small.oil.refinery": 10,
    "furnace.large": 10,
    "campfire": 1,
    "BBQ": 1
  },
  "Output Multipliers": {
    "furnace": {
      "charcoal": 10.0,
      "metal.fragments": 10.0,
      "sulfur": 10.0,
      "metal.refined": 10.0
    },
    "small.oil.refinery": {
      "lowgradefuel": 10.0
    },
    "furnace.large": {
      "charcoal": 10.0,
      "metal.fragments": 10.0,
      "sulfur": 10.0,
      "metal.refined": 10.0
    }
  },
  "Whitelist": {
    "furnace": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "furnace.large": [
      "metal.ore",
      "sulfur.ore",
      "hq.metal.ore"
    ],
    "small.oil.refinery": [
      "lowgradefuel"
    ],
    "campfire": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ],
    "BBQ": [
      "deermeat.raw",
      "chicken.raw",
      "humanmeat.raw",
      "fish.raw",
      "bearmeat",
      "wolfmeat.raw",
      "meat.pork.raw"
    ]
  },
  "Blacklist": {
    "furnace": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "furnace.large": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "campfire": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ],
    "BBQ": [
      "deermeat.cooked",
      "chicken.cooked",
      "humanmeat.cooked",
      "fish.cooked",
      "bearmeat.cooked",
      "wolfmeat.cooked",
      "meat.pork.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1,
    "furnace.shortname": 1
  },
  "Debug": false
}​
You are using incorrect BBQ shortname. Use global so it will be blocked everywhere if you want
Very frustrating no matter what Config file I use, etc I get the same result QuickSmelt.jsonerror file created.     I do appreciate the work Misticos has done on this but it seems this plugin has always been a time-suck to use,   after every few updates the plugin needs to be tweaked and usually becomes less and less user friendly.     
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