Failed to call hook 'ShowInfo' on plugin 'ServerInfo v0.5.6' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ServerInfo+<AddActiveButton>c__AnonStorey5.<>m__0 (Oxide.Game.Rust.Cui.CuiElement i) [0x00006] in <967ae15e44f444189268292466fa446b>:0
  at System.Linq.Enumerable.TryGetFirst[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate, System.Boolean& found) [0x0003f] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
                                                                                                              3kb/s in, 22kb/s out
  at System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate) [0x00000] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
  at Oxide.Plugins.ServerInfo.AddActiveButton (System.Int32 activeTabIndex, Oxide.Plugins.ServerInfo+HelpTab activeTab, Oxide.Game.Rust.Cui.CuiElementContainer container, System.String mainPanelName) [0x00030] in <967ae15e44f444189268292466fa446b>:0
  at Oxide.Plugins.ServerInfo.ShowInfo (BasePlayer player, System.String command, System.String[] args) [0x000f3] in <967ae15e44f444189268292466fa446b>:0
  at Oxide.Plugins.ServerInfo.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00391] in <967ae15e44f444189268292466fa446b>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <09575a60985045248bcb43b20faeeb99>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <d5f57e12edfe4fa0b5c5dbdd9b51eff8>:0

This occurs both on join and when /info is typed