So when I'm trying to load into my world. We tried to play it again. It's a there's a problem with loading into your world again. And I tried to reinstall the game and restart my Xbox and they keep on popping up with the same message.
Linked issues
Comments

Thank you for your report!
We're tracking this issue in MCPE-117062, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
-- I am a bot. This action was performed automatically! If you think it was incorrect, please notify us on Discord or Reddit