When using the /deauth command, the following appears in the console:

Failed to call hook 'DeauthCommand' on plugin 'DiscordAuth v1.1.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Ext.Discord.DiscordObjects.User.GetUser (Oxide.Ext.Discord.DiscordClient client, System.String userID, System.Action`1[T] callback) [0x00001] in <62c756091a3144dfa2c3b28ad5ea06ab>:0
at Oxide.Plugins.DiscordAuth.DeauthCommand (Oxide.Core.Libraries.Covalence.IPlayer player, System.String command, System.String[] args) [0x0006d] in <5bce9547a9ac436582b5c9a87e0a794f>:0
at Oxide.Plugins.DiscordAuth.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00482] in <5bce9547a9ac436582b5c9a87e0a794f>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <31122a27a2414cd799150f8677cf39d4>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <0fbce81d88d64454b3e7abb24df7026b>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <0fbce81d88d64454b3e7abb24df7026b>:0