Board Thread:Tapped Out Help/@comment-26396947-20150513205843/@comment-26143371-20150514145535

You can try one or multiple of the following:
 * Stopping the game and clearing the cache(on Android: go to the list of recent apps, tap TSTO for a few seconds, select "App info", tap "Forece stop" and "Clear cache"; on iOS I don't know how it's done)
 * Restart your phone/tablet
 * Reinstall TSTO(if don't have one already, you must make an origin account first to be able to access your town afterwards)

If nothing of this helps, here are a few options to contact EA: