That's strange! Could you please try Uninstalling the app > Restarting the device > Reinstalling the app? Also, try clearing your browser's cache and cookies, using a different browser or Incognito mode. Let us know if it fixes things for you.
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