Duplicate Map "doesn't exist"

Not sure how else to explain it except the map doesn't exist in the game yet.

 

The map exists in the game, the portal leading to this map just is not active at this time.
In this case both the portals you've reported have MD in their name, which stands for Mini Dungeon.
Mini Dungeons are not implemented yet, which is why you can't enter the portal at this time.

 

oooh gotcha. thanks