@TeamYouTube I can't add cards or endscreens to my latest video. Says it's private even though it's public. https://youtu.be/gqGsFYX4Wc4 pic.twitter.com/cE8k3Nydcm
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
Thanks for letting us know. We're looking into it. Meanwhile, try a different device or browser to add cards to your videos. Keep us posted.