Failed to call hook 'OnBetterChat' on plugin 'Keywords v1.2.4' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.Keywords.HandleChat (Oxide.Core.Libraries.Covalence.IPlayer player, System.String message) [0x0009b] in <650918a4ce914261b1dbc068a5e316af>:0

  at Oxide.Plugins.Keywords.OnBetterChat (System.Collections.Generic.Dictionary`2[TKey,TValue] data) [0x0001c] in <650918a4ce914261b1dbc068a5e316af>:0

  at Oxide.Plugins.Keywords.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0008d] in <650918a4ce914261b1dbc068a5e316af>:0

  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <31122a27a2414cd799150f8677cf39d4>:0

  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in :0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in :0

Adds some changes for the next version that should hopefully resolve this.