I'm using an iPhone @TeamYouTubepic.twitter.com/4LXsb9ou45
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
We'd like to help. What device are you on? Mind sharing a few screenshots for us to look into it? Keep us posted.
Thanks for the screenshots. Can you try signing out, restarting your device and signing back into your account to see if that makes any difference? Also, let us know if this happens on other devices as well.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.