Yes, the one on the first post of this thread.
This has nothing to do with the mod. The game will take you to leader selection even if you are trying to enter from normal game without mod loaded.
It is propably an error with spaces. You are leaving a space at the beggining or the end of the ip, when you copy paste it.
That was some bad advice Munro, missed it at the time. Toroidal fixes the water strip as it connects north and south. Now that the map is not made toroidal any cities build on the water strip will be limited to 3 tiles of water.