Thanks for your patience, the 500 error is now fixed!https://twitter.com/TeamYouTube/status/980889488531521536 …
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
To report videos that defies our guidelines, follow these steps: Click the 3 dots > Report > Infringes my rights > Other legal claim. Hope this helps!