Please visit our bug report site to see if the problem has already been reported: msft.it/6010bmzVI. You can upvote if the issue hasn't been resolved. If you think you've found a new bug, visit our help site here on how to submit a report! msft.it/6011bmzVL ^TK
If you don't have any single players Worlds go ahead and uninstall the client and reinstall it. Then try to connect again to see if that helps. If you have done this already I am going to have to escalate you upward. ^TK
We apologize for the inconvenience, but this is currently a known issue.
The team is currently working on a fix that should fix the issue as soon as possible.
Thank you for your patience while we work on the solution! ^TK
Please visit our bug report site to see if the problem has already been reported: msft.it/6012bmyg8. You can upvote if the issue hasn't been resolved. If you think you've found a new bug, visit our help site here on how to submit a report! msft.it/6013bmygD ^TK