Hi there

When I try to add a zone I get those error messages. I think it still works though, but the messages are confusing.

(Filename: <71fcfcdaf5fb45d58c8bbdbbc6fd7afa> Line: 0)

NullReferenceException: Object reference not set to an instance of an object

  at Oxide.Plugins.ZoneManager+Zone.OnTriggerEnter (UnityEngine.Collider col) [0x0008d] in <71fcfcdaf5fb45d58c8bbdbbc6fd7afa>:0