Back to Categories not work

@David
The button to return to the category via the welcome panel no longer works since the update of your plugin.

Failed to call hook 'shop_categories' on plugin 'Shop v1.2.9' (ArgumentNullException: Value cannot be null.
Parameter name: source)
at System.Linq.Enumerable.Select[TSource,TResult] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] selector) [0x0000d] in <30cb9806a8774f11bb35ea6b11076cb4>:0
at Oxide.Plugins.Shop.shop_categories (ConsoleSystem+Arg arg) [0x00017] in <979c571c60624feab0126b5a7cbbaba3>:0
at Oxide.Plugins.Shop.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x01775] in <979c571c60624feab0126b5a7cbbaba3>: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 <15f61ddda771464d8246ebdce8ff4811>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <15f61ddda771464d8246ebdce8ff4811>:0

Changed Status from Pending to Fixed

Changed Fixed In to 1.2.91