Not sure the cause of this ocasional error

Failed to call hook 'OnLootEntityEnd' on plugin 'TreasureMaps v1.0.0' (NullReferenceException: Object reference not set to an instance of an object)
  at LootContainer.OnKilled (HitInfo info) [0x00000] in <ae9b6b0055f942fd9e6fca4c8270053c>:0
  at BaseCombatEntity.Die (HitInfo info) [0x000aa] in <ae9b6b0055f942fd9e6fca4c8270053c>:0       11kb/s in, 223kb/s out
  at Oxide.Plugins.TreasureMaps.OnLootEntityEnd (BasePlayer player, StorageContainer container) [0x00043] in <0ddcbc3ed1374078a88066e5a6140e8f>:0
  at Oxide.Plugins.TreasureMaps.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x004cd] in <0ddcbc3ed1374078a88066e5a6140e8f>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <cd9a02fd331347bd82d550bb1a9c8e9f>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <b76ec77c47d1449e92b2baab8603843d>:0
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <b76ec77c47d1449e92b2baaFailed to call hook 'OnLootEntityEnd' on plugin 'TreasureMaps v1.0.0' (NullReferenceException: Object reference not set to an instance of an object)
  at LootContainer.OnKilled (HitInfo info) [0x00000] in <ae9b6b0055f942fd9e6fca4c8270053c>:0        59fps 485gc 4h1m10s
  at BaseCombatEntity.Die (HitInfo info) [0x000aa] in <ae9b6b0055f942fd9e6fca4c8270053c>:0       12kb/s in, 246kb/s out
  at Oxide.Plugins.TreasureMaps.OnLootEntityEnd (BasePlayer player, StorageContainer container) [0x00043] in <0ddcbc3ed1374078a88066e5a6140e8f>:0
  at Oxide.Plugins.TreasureMaps.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x004cd] in <0ddcbc3ed1374078a88066e5a6140e8f>:0
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <cd9a02fd331347bd82d550bb1a9c8e9f>:0
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <b76ec77c47d1449e92b2baab8603843d>:0

when you get that error ? 
 

all the time not sure the cause id say every few minutes?

ok.. I will look for it 

Changed Status from Pending to Closed