I'm seeing this...

ailed to call hook 'OnPlayerConnected' on plugin 'SmartChatBot v2.0.13' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.SmartChatBot.OnPlayerConnected (BasePlayer player) [0x00064] in <ea6b44d386864be3857c6e2068c09fc8>:0
at Oxide.Plugins.SmartChatBot.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0039b] in <ea6b44d386864be3857c6e2068c09fc8>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <b6af59acae274e5a94fb209dfc179b8f>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <bae5f1223fce49c493b01571c99dce02>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <bae5f1223fce49c493b01571c99dce02>:0