area <str> already specified for map <str> in partition <num>

  Explanation:  You used the area name more than once in the  same
  storage  map.   The area can only be used once for table storage
  maps, and can not appear more than once in an  area  set  for  a
  list (segmented string) storage map.

  User Action:  Use the area name only once in the storage map  or
  list area set definition.