That's odd, on the browser, try clearing cache & cookies: https://goo.gl/dwzcyo . With the app you can try deleting the app, restarting the device and reinstalling it. Let us know if this works!
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
That's odd, on the browser, try clearing cache & cookies: https://goo.gl/dwzcyo . With the app you can try deleting the app, restarting the device and reinstalling it. Let us know if this works!