Web request produced exception (Url: ) in 'OilRigDiscordNotify v0.0.6' plugin (ArgumentNullException: Value cannot be null.
Parameter name: requestUriString)
  at System.Net.WebRequest.Create (System.String requestUriString) [0x00003] in <ef151b6abb5d474cb2c1cb8906a8b5a4>:0 
  at Oxide.Core.Libraries.WebRequests+WebRequest.Start () [0x00014] in <c2afd8354b8b4f3ca451cf5a1aa111c3>:0

config:

{
  "Enabled": true,
  "Discord - Bot Token": "mytoken",
  "Discord - Channel ID": "585888165882410465",
  "Discord - Mention Roles (roles names)": ["Staff"],
  "Discord - Message - Text": "Oil Rig Hackable Locked Crate has been activated",
  "Discord - Embed - Image - URLs": [
    "https://i.imgur.com/gqctTxU.png"
  ],
  "Discord - Embed - Image - Randomly Select (false = use the first, true = random)": true,
  "Discord - Embed - Color": 13692927,
  "Discord - Embed - Field 1 Title": "Monument Type",
  "Discord - Embed - Field 2 Title": "Direction"
}