I seem to be getting more and more of these comments/ messages. I’m sure you already know there’s a problem by now though 
@TeamYouTubepic.twitter.com/q4wzV0N82L
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
Really frustrating :) haha. Majority of the YouTubers I've subbed to I am not able to receive notifications. @TeamYouTube Need to fix up a little ;D
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.