Like title says, trying to get a copy of the chat/scroll into discord so my mods without RCON access can see what was said in general chat. Setup was very easy but I'm getting an error anytime someone types and it's not outputting to discord.

(16:57:22) | Failed to call hook 'OnUserChat' on plugin 'DiscordMessages v2.1.0' (InvalidCastException: Null object cannot be converted to a value type.)
  at System.Convert.ChangeType (System.Object value, System.Type conversionType, System.IFormatProvider provider) [0x00029] in <ac823e2bb42b41bda67924a45a0173c3>:0 
  at System.Convert.ChangeType (System.Object value, System.Type conversionType) [0x0000c] in <ac823e2bb42b41bda67924a45a0173c3>:0 
  at Oxide.Core.Plugins.Plugin.Call[T] (System.String hook, System.Object[] args) [0x00008] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Plugins.DiscordMessages.HandleMessage (Oxide.Core.Libraries.Covalence.IPlayer player, System.String playerMessage) [0x0000b] in <8b7450a71a734ee083a36f4509e00e70>:0 
  at Oxide.Plugins.DiscordMessages.OnUserChat (Oxide.Core.Libraries.Covalence.IPlayer player, System.String message) [0x00011] in <8b7450a71a734ee083a36f4509e00e70>:0 
  at Oxide.Plugins.DiscordMessages.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0015a] in <8b7450a71a734ee083a36f4509e00e70>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0​

Below is my config (i hid my webhook for privacy reasons.

{
  "GeneralSettings": {
    "Announce": true
  },
  "BanSettings": {
    "Color": "3329330",
    "Enabled": false,
    "WebhookUrl": "https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks"
  },
  "ReportSettings": {
    "LogToConsole": true,
    "Alert": "",
    "Cooldown": 30,
    "Color": "3329330",
    "Enabled": false,
    "WebhookUrl": "https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks"
  },
  "MessageSettings": {
    "LogToConsole": true,
    "SuggestAlias": false,
    "Alert": "",
    "Cooldown": 30,
    "Color": "3329330",
    "Enabled": false,
    "WebhookUrl": "https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks"
  },
  "ChatSettings": {
    "TextToSpeech": false,
    "Enabled": true,
    "WebhookUrl": "-removed webhook for privacy but verified it is correct"
  },
  "MuteSettings": {
    "Color": "3329330",
    "Enabled": false,
    "WebhookUrl": "https://support.discordapp.com/hc/en-us/articles/228383668-Intro-to-Webhooks"
  }
}​