ZMedkitPlus 1.2.1

Will this plugin continue to be updated?
I purchased it from lone.design.
This error is now occurring.

[Error] Failed to call hook 'OnItemAction' on plugin 'ZMedkitPlus v1.2.0' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ZMedkitPlus.OnItemAction (Item item, System.String action, BasePlayer player) [0x00011] in <2082a4b9d81a425f9b066b5e1d8288c3>:0 
  at Oxide.Plugins.ZMedkitPlus.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00143] in <2082a4b9d81a425f9b066b5e1d8288c3>: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 

Could you please update this on lone.design? I didn't purchase it from CodeFling.