After one of the game updates, the better loot stopped working. help me please

> o.reload BetterLoot
Calling 'Unload' on 'BetterLoot v3.5.8' took 241ms
Unloaded plugin BetterLoot v3.5.8 by Tryhard & Khan
[BetterLoot] Configuration changes saved to BetterLoot.json
[BetterLoot] Using '56' active of '56' supported containertypes
Failed to call hook 'OnServerInitialized' on plugin 'BetterLoot v3.5.8' (ArgumentException: An item with the same key has already been added. Key: partyhat)
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x0015a] in <467a840a914a47078e4ae9b0b1e8779e>:0
  at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <467a840a914a47078e4ae9b0b1e8779e>:0
  at Oxide.Plugins.BetterLoot.SaveExportNames () [0x00076] in <67d7d65681c74be6986e1ab7f55c5dad>:0
  at Oxide.Plugins.BetterLoot.UpdateInternals (System.Boolean doLog) [0x00000] in <67d7d65681c74be6986e1ab7f55c5dad>:0
  at Oxide.Plugins.BetterLoot.OnServerInitialized () [0x0001c] in <67d7d65681c74be6986e1ab7f55c5dad>:0
  at Oxide.Plugins.BetterLoot.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x006b9] in <67d7d65681c74be6986e1ab7f55c5dad>: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
Loaded plugin BetterLoot v3.5.8 by Tryhard & Khan

You screwed up your loottables.json file. Put it in a json validator or start from scratch