I get this error and do not know what it is due to 

(10:49:31) | Failed to call hook 'CanNetworkTo' on plugin 'Recycle v2.1.7' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.Recycle.IsRecycleBox (BaseNetworkable entity) [0x00036] in <b92536623a21446f96de60061566581c>:0 
  at Oxide.Plugins.Recycle.CanNetworkTo (BaseNetworkable entity, BasePlayer target) [0x0007b] in <b92536623a21446f96de60061566581c>:0 
  at Oxide.Plugins.Recycle.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x001e4] in <b92536623a21446f96de60061566581c>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <9affce1cd15c4ec183941adef8db1722>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <4452f821def6406d834e4149849fe7ea>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <4452f821def6406d834e4149849fe7ea>:0