keep getting this spam is there a fix? 
 at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <15f61ddda771464d8246ebdce8ff4811>:0

Failed to call hook 'OnNetworkGroupLeft' on plugin 'ParentedEntityRenderFix v0.1.3' (NullReferenceException: Object reference not set to an instance of an object)

  at Oxide.Plugins.ParentedEntityRenderFix.OnNetworkGroupLeft (BasePlayer player, Network.Visibility.Group group) [0x00071] in <62deb7b5ed6641e393c08dd3e85bee27>:0

  at Oxide.Plugins.ParentedEntityRenderFix.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x001b2] in <62deb7b5ed6641e393c08dd3e85bee27>: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