Following up — while we continue to fix this issue with realtime data, we’ve also temporarily disabled smart insights in YouTube Studio. Creators, this means you won't see headlines about your video’s performance on the dashboard.https://twitter.com/TeamYouTube/status/1159506339879632897 …
If you haven't heard back yet, this usually means your channel is being held for additional reviews (bc your content is close to not meeting policies). We’ll put more effort/resources into the final decision, thanks for your continued patience: http://yt.be/help/YPP-review