If you haven't already, you can appeal your age restriction if you think this happened in error: https://goo.gl/Qsc6sP . Hope this helps!
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If you haven't already, you can appeal your age restriction if you think this happened in error: https://goo.gl/Qsc6sP . Hope this helps!