I'm getting this message now.
[12:29:01 PM:506] Cleared POI
[12:29:01 PM:750] System.InvalidOperationException: The current navmesh is null!
at Tripper.Navigation.Navigator.a(TileIdentifier A_0, LoadedTileFlags A_1, Boolean A_2)
at Tripper.Navigation.Navigator.GeneratePath(Vector3 start, Vector3 end, QueryFilter filter, Int32 maxLength, StraightPathFlags[]& pathFlags, PolygonReference[]& straightPolys)
at Tripper.Navigation.PathFollowing.TripperNav.MoveTowards(Vector3 point)
at Styx.Logic.Pathing.Navigator.MoveTo(WoWPoint destination)
at Bots.Grind.LevelBot.b3(Object A_0)
at TreeSharp.Action.RunAction(Object context)
at TreeSharp.Action.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.Decorator.a.a()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at TreeSharp.PrioritySelector.a.b()
at TreeSharp.Composite.Tick(Object context)
at Styx.Logic.BehaviorTree.TreeRoot.b()
[12:29:01 PM:750] Cleared POI
[12:29:02 PM:67] User stopped the bot and ThreadAbortException was thrown. This is a good thing!