Thanks for reaching out. Updating the app or reinstalling it often fixes most issues. Let us know if that works.
Glad it worked! Give us a shout if you any questions in future. 
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
Glad it worked! Give us a shout if you any questions in future. 