Hello in minecraft 1.16.0.67 it does not allow the section to start directly, an error message appears when starting the session, this also happens in the 1.14 but instead in this you start the section well until when it should leave, welcome to your account (name), the message goes out to an error occurred check xbox.com
MCPE-83877
Thank you for your report!
We're actually already tracking this issue at MCPE-83180, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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