It seems to be working, but there’s an error?

05:10 [Error] Failed to call hook 'OnEntityDismounted' on plugin 'CustomButtons v2.0.72' (NullReferenceException: Object reference not set to an instance of an object)

  at Oxide.Plugins.CustomButtons.ShowButtons (BasePlayer player) [0x00011] in <34d00308b0ce49d7a55a8858e91f7dc0>:0

  at Oxide.Plugins.CustomButtons.OnEntityDismounted (ComputerStation entity, BasePlayer player) [0x00000] in <34d00308b0ce49d7a55a8858e91f7dc0>:0

  at Oxide.Plugins.CustomButtons.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x01010] in <34d00308b0ce49d7a55a8858e91f7dc0>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <d59b507fd76240e5b62228d0eae39b73>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <d59b507fd76240e5b62228d0eae39b73>:0