On my main save, a survival adventure that I play and like a lot, strange chunks have appeared once when I launched the game. I thought it was funny at first but a bit strange, and it wasn't really a problem because it wasn't really affecting me. I play a little and leave the game. But later that day, as I wanted to play again and started the game, black screen, lifepoint loss and boom, I die and it says "XaeS_TheoS suffocated in a wall" or something like that : one of these huge blocks had appeared on my house, where I was when I saved and quit the game earlier that day. The only problem isn't that it killed me, because I can easily respawn : the problem is that it "swallowed" my house, replacing it by other blocks and destroying a lot of things I had built and killing almost all of the animals I had.
Why ? What happened ? Will it get worse ? Is my game broken ? Is that save file now unplayable ?
If that can help, I have screenshots of this issue.
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Thank you for your report!
We're actually already tracking this issue in MC-150202, so I resolved and linked 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.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.