Problem with betterchat

I have a bad configuration or bug with betterchat, when I activate it on my server, two chats appear and it does not overlap or replace what is already on my server. How can I resolve this? If I send a message, there will be two. https://imgur.com/k553EAC

Post your config , it might help

I'm using the plugin's initial configuration
[
{
"GroupName": "default",
"Priority": 0,
"Title": {
"Text": "[Player]",
"Color": "#55aaff",
"Size": 15,
"Hidden": false,
"HiddenIfNotPrimary": false
},
"Username": {
"Color": "#55aaff",
"Size": 15
},
"Message": {
"Color": "white",
"Size": 15
},
"Format": {
"Chat": "{Title} {Username}: {Message}",
"Console": "{Title} {Username}: {Message}"
}
}
]

Are you another chat plugin or chat modifier ?

I am using this and it works for me, Try unloading "no green" plugin and see if that makes a difference

 

[
  {
    "GroupName": "default",
    "Priority": 1,
    "Title": {
      "Text": "[]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": true,
      "HiddenIfNotPrimary": true
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Noob",
    "Priority": 4,
    "Title": {
      "Text": "[Noob]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Newbie",
    "Priority": 3,
    "Title": {
      "Text": "[Newbie]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Spaz",
    "Priority": 2,
    "Title": {
      "Text": "[Spaz]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#ffff00ff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Learner",
    "Priority": 5,
    "Title": {
      "Text": "[Learner]",
      "Color": "#7fff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Provisional",
    "Priority": 6,
    "Title": {
      "Text": "[Provisional]",
      "Color": "#7fff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
    {
    "GroupName": "MegaMaximus",
    "Priority": 10,
    "Title": {
      "Text": "[MegaMaximus]",
      "Color": "#ffff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
      }
   },
   { 
    "GroupName": "UltraMaximus",
    "Priority": 11,
    "Title": {
      "Text": "[UltraMaximus]",
      "Color": "#0000ff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
     }
      },
    {
    "GroupName": "SuperMaximus",
    "Priority": 12,
    "Title": {
      "Text": "[SuperMaximus]",
      "Color": "#0000ff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
      }
     },
   { 
    "GroupName": "Hardcase",
    "Priority": 7,  
    "Title": {
      "Text": "[Hardcase]",
      "Color": "#7fff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Professional",
    "Priority": 8,
    "Title": {
      "Text": "[Professional]",
      "Color": "#ffff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
{
    "GroupName": "PrimoMaximus",
    "Priority": 13,
    "Title": {
      "Text": "[PrimoMaximus]",
      "Color": "",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
   {
    "GroupName": "GrandMaximus",
    "Priority": 14,
    "Title": {
      "Text": "[GrandMaximus]",
      "Color": "#ff8000",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
{
    "GroupName": "AbsoluteMaximus",
    "Priority": 15,
    "Title": {
      "Text": "[AbsoluteMaximus]",
      "Color": "#00ffffff",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "GetALifeMaximus",
    "Priority": 16,
    "Title": {
      "Text": "[GetALifeMaximus]",
      "Color": "#ff8000",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "Maximus",
    "Priority": 9,
    "Title": {
      "Text": "[Maximus]",
      "Color": "#ffff00",
      "Size": 17,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#00ffffff",
      "Size": 17
    },
    "Message": {
      "Color": "#ffffffff",
      "Size": 17
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
   }
  }
]​

Thank you very much for the tip, I didn't use your conf but I removed no green