Failed to call hook 'OnLootEntityEnd'

Got an error that kicked everyone from game not sure what caused this but thought I would ask 
 

Failed to call hook 'OnLootEntityEnd' on plugin 'TheButton v1.0.8' (KeyNotFoundException: The given key was not present in the dictionary.)
  at System.Collections.Generic.Dictionary`2[TKey,TValue].get_Item (TKey key) [0x0001e] in <eae584ce26bc40229c1b1aa476bfa589>:0 
  at Oxide.Plugins.TheButton.OnLootEntityEnd (BasePlayer player, BaseCombatEntity entity) [0x00044] in <bd44c3a105dc4128b04a7677ff6f6ff7>:0 
  at Oxide.Plugins.TheButton.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0031d] in <bd44c3a105dc4128b04a7677ff6f6ff7>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <60c318df79ed41688ea59335e48d61ad>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <12678b905a6d43c3a9cc366104306651>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <12678b905a6d43c3a9cc366104306651>:0

Theres like 4 checks in there.... also, wouldn't kick for an NRE, its more likely the server took a dump... but open you TheButton data file and make sure there isnt a null in there.

Changed Status from Pending to Can't Reproduce