Web Request Callback Exception

I got a web request callback exception, and the discord hook didn't fire off after using the /claim command. The rewards were given however.

(18:37:17) | Web request callback raised an exception (IndexOutOfRangeException: Index was outside the bounds of the array.)
  at Oxide.Plugins.EasyVote.GaveRewards (BasePlayer player, System.Collections.Generic.List`1[T] rewardValue) [0x0002a] in <6f22b5cf99e340d988ad32b9e80ef925>:0 
  at Oxide.Plugins.EasyVote.RewardHandler (BasePlayer player, System.String serverName) [0x00230] in <6f22b5cf99e340d988ad32b9e80ef925>:0 
  at Oxide.Plugins.EasyVote.ClaimReward (System.Int32 code, System.String response, BasePlayer player, System.String url, System.String serverName) [0x0012e] in <6f22b5cf99e340d988ad32b9e80ef925>:0 
  at Oxide.Plugins.EasyVote+<cmdClaim>c__AnonStorey3.<>m__0 (System.Int32 code, System.String response) [0x0002e] in <6f22b5cf99e340d988ad32b9e80ef925>:0 
  at Oxide.Core.Libraries.WebRequests+WebRequest.<OnComplete>b__42_0 () [0x00034] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0