Error when deauth

I just saw this in my console:

09/03 16:22:38 | Failed to call hook 'Discord_MemberRemoved' on plugin 'DiscordAuth v1.1.3' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.DiscordAuth.Discord_MemberRemoved (Oxide.Ext.Discord.DiscordObjects.GuildMember member) [0x0000d] in <b0509e6d570344f0a11c1d42f4350391>:0
at Oxide.Plugins.DiscordAuth.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00663] in <b0509e6d570344f0a11c1d42f4350391>: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​

I checked Discord and an authed player left just before this error appeared.