Hi can you tell me if this plugin is compatible with carbon, I have installed it on my carbon server but I get the following error when starting it up.

Failed compiling '/home/container/carbon/plugins/DiscordRewards.cs':
1. The type or namespace name 'Discord' does not exist in the namespace 'Oxide.Ext' (are you missing an assembly reference?) [CS0234]
(DiscordRewards 17 line 10)
2. The type or namespace name 'DiscordMessage' could not be found (are you missing a using directive or an assembly reference?) [CS0246]
(DiscordRewards 52 line 129)
3. The name 'DiscordExtHooks' does not exist in the current context [CS0103]
(DiscordRewards 21 line 69)