Error on Kill in Console

Getting this Error on kill in console

Failed to call hook 'OnEntityKill' on plugin 'ClanCores v1.0.0' (NullReferenceException: Object reference not set to an instance of an object.)
  at Oxide.Plugins.ClanCores+<>c__DisplayClass30_0.<OnEntityKill>b__0 (Oxide.Plugins.ClanCores+PointData x) [0x0000b] in <1b31c589125547efb37f06f8fa31e33a>:0 
  at System.Linq.Enumerable.TryGetFirst[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate, System.Boolean& found) [0x0003f] in <77c7c3cb49744ec6a3f31b19ec81dcc4>:0 
  at System.Linq.Enumerable.FirstOrDefault[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate) [0x00000] in <77c7c3cb49744ec6a3f31b19ec81dcc4>:0 
  at Oxide.Plugins.ClanCores.OnEntityKill (BaseNetworkable entity) [0x00013] in <1b31c589125547efb37f06f8fa31e33a>:0 
  at Oxide.Plugins.ClanCores.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00462] in <1b31c589125547efb37f06f8fa31e33a>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <795304323ac74a298b8ed190a1dfa739>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd85442c>:0