YouTube is no longer displaying links within the app with live in the URL (like https://www.youtube.com/live/ABCD?feature=share), which is what it generates when you use its share link. Instead, use the https://youtube.com/watch/ABCD URL copied from your browser's address bar.
Verification Options
Map Check Test. Before implementing the new map check feature for your events, it would be a good idea to run a test event with a variety of phones. Because it relies on a device being able to detect its location when the app is open, there may be some buildings that aren't suited for this feature. Create an event with map check turned on dated in the past with zero credits and use the whole-event text code.
Location ?