Failed to call hook 'API_SumPlayerItems' on plugin 'ItemRetriever v0.7.7' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ItemRetriever.SumPlayerItems[T] (BasePlayer player, T& itemQuery, System.Boolean countPlayerWearables) [0x00006] in <ad9d14d4f0b84ebca607f0e8f5d23360>:0

  at Oxide.Plugins.ItemRetriever+ApiInstance.SumPlayerItems (BasePlayer player, System.Collections.Generic.Dictionary`2[TKey,TValue] itemQueryDict) [0x00007] in <ad9d14d4f0b84ebca607f0e8f5d23360>:0

  at Oxide.Plugins.ItemRetriever.API_SumPlayerItems (BasePlayer player, System.Collections.Generic.Dictionary`2[TKey,TValue] itemQuery) [0x00000] in <ad9d14d4f0b84ebca607f0e8f5d23360>:0

  at Oxide.Plugins.ItemRetriever.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00ebd] in <ad9d14d4f0b84ebca607f0e8f5d23360>: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