When the Nether was completely collapsed and I tried to read the world and restart from the bastion remnant, I was about to suffocate on the wall and managed to escape and explore the surroundings, but most of the place where the Nether's magma sea was was abyss. rice field.
In addition, most of the terrain that has been read in the past is strange, rock is generated at 63 of the Y coordinate, and the blocks above it are almost gone. There are some parts where one chunk or multiple chunks remain.
Related issues
Attachments
Comments


yes my world too
thank god that i saved copied world before updating beta

Thank you for your report!
We're tracking this issue in MCPE-140436, 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
[^Screenshot_20210903-141409[1]-1.png]
[^Screenshot_20210903-145235[1].png]
[^Screenshot_20210903-145252[1].png]
[^Screenshot_20210903-145351[1].png]