Hi,

I'm using v0.2.1 and in the oxide log I am getting a lot of these messages:

[Error] Failed to call hook 'GetPlayTime' on plugin 'PlaytimeTracker v0.2.1' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.PlaytimeTracker.GetPlayTime (System.String id) [0x00000] in <121443bc3c9f44578a257579601c325d>:0

  at Oxide.Plugins.PlaytimeTracker.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00309] in <121443bc3c9f44578a257579601c325d>: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 <0fbce81d88d64454b3e7abb24df7026b>:0

  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <0fbce81d88d64454b3e7abb24df7026b>:0

Failed to call hook 'GetPlayTime'

Then im finding the Server is crashing... any ideas?