A world I was playing on yesterday night, has become unplayable. The world appears to be grayed out, and when I attempt to start the world, or edit its properties. I get the message that states "syncing user data." It looks as if it's loading, and then the game just crashes.
Related issues
Attachments
Comments

[media][media][media]
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-35364.
Please add a vote and any new information to the main ticket, which will be updated accordingly.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Feedback – 📖 Game Wiki