After 3 more attempts (again, from the beginning), "Confirm" button finally worked. It said "Your login has been saved. See the fans Google Map."
Now I can see the map with fans location. It shows 12 fans in the US.
My location is not on the map.
I tried one more time, and it finally worked. Now there are 13, including my location. Here is the map:
http://www.alizee-officiel.com/google_map/index.php