Facemesh web map face not avaliable

i am trying to get all map points using the tutorial of app inventor facemesh this is the link


but i am getting error. someone can say me how can get the map?

someone can help me with this?

i dont understand why dont have the map image in the link that mit app inventor give in the tutorial please someone can helpme?.

i am searching in the url but cat get the point web map.