When Rooms are only 2

[alcoranpaul]

[ 03:39:41.814 ]: [Warning] Exception has been thrown during Window.OnMouseUp. Object reference not set to an instance of an object. Stack strace: at Game.Prim.MinimumSpanningTree(List1 weightedEdges, Point start) in E:\Projects\Game Dev\Flax\DungeonGenerator\Source\Game\Prim\Prim.cs:line 207 at Game.DungeonGenerator.CalculatePaths(Single debugTime, List1 points, HashSet`1 edges) in E:\Projects\Game Dev\Flax\DungeonGenerator\Source\Game\DungeonGenerator.cs:line 144 at Game.DungeonGenerator.GenerateHallwayPaths() in E:\Projects\Game Dev\Flax\DungeonGenerator\Source\Game\DungeonGenerator.cs:line 96 at Game.DungeonGenerator.GenerateDungeon() in E:\Projects\Game Dev\Flax\DungeonGenerator\Source\Game\DungeonGenerator.cs:line 84 at Game.DungeonUI.GenerateDungeon() in E:\Projects\Game Dev\Flax\DungeonGenerator\Source\Game\DungeonUI.cs:line 101