This may be related to a recent YouTube Gaming subscription update, the full announcement is here: https://goo.gl/zfgfC4 . Let us know if this doesn't seem like your issue or if you're unfamiliar with YouTube Gaming.
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
This may be related to a recent YouTube Gaming subscription update, the full announcement is here: https://goo.gl/zfgfC4 . Let us know if this doesn't seem like your issue or if you're unfamiliar with YouTube Gaming.