Rustcord.cs(37,34): warning CS0169: The private field `Oxide.Plugins.Rustcord.PrivateMessages' is never used
Rustcord.cs(107,24): warning CS0169: The private field `Oxide.Plugins.Rustcord.rbdiff' is never used
Rustcord.cs(37,67): warning CS0169: The private field `Oxide.Plugins.Rustcord.Clans' is never used
Rustcord.cs(37,74): warning CS0169: The private field `Oxide.Plugins.Rustcord.AdminChat' is never used
Rustcord.cs(37,85): warning CS0169: The private field `Oxide.Plugins.Rustcord.DiscordAuth' is never used
Rustcord.cs(37,98): warning CS0169: The private field `Oxide.Plugins.Rustcord.AdminHammer' is never used
Rustcord.cs(37,111): warning CS0169: The private field `Oxide.Plugins.Rustcord.AdminRadar' is never used
Rustcord.cs(37,123): warning CS0169: The private field `Oxide.Plugins.Rustcord.Kits' is never used
Rustcord.cs(37,129): warning CS0169: The private field `Oxide.Plugins.Rustcord.Vanish' is never used
Rustcord.cs(37,137): warning CS0169: The private field `Oxide.Plugins.Rustcord.RaidableBases' is never used
Rustcord.cs(37,152): warning CS0169: The private field `Oxide.Plugins.Rustcord.DangerousTreasures' is never used
Rustcord.cs(37,172): warning CS0169: The private field `Oxide.Plugins.Rustcord.NoGiveNotices' is never used
Rustcord.cs(37,187): warning CS0169: The private field `Oxide.Plugins.Rustcord.Give' is never used
Rustcord.cs(37,193): warning CS0169: The private field `Oxide.Plugins.Rustcord.AirEvent' is never used
Rustcord.cs(37,203): warning CS0169: The private field `Oxide.Plugins.Rustcord.HarborEvent' is never used
Rustcord.cs(37,216): warning CS0169: The private field `Oxide.Plugins.Rustcord.JunkyardEvent' is never used
Rustcord.cs(37,231): warning CS0169: The private field `Oxide.Plugins.Rustcord.PowerPlantEvent' is never used

These are warnings, not errors. You can ignore them. It's from the plugins this plugin references.