I was in the 1.17 beta for a while and when the version came out I wanted to pass, when I wanted to play my personal world I made an error. A new version of the game already saved this level.

I was in the 1.17 beta for a while and when the version came out I wanted to pass, when I wanted to play my personal world I made an error. A new version of the game already saved this level. (cannot be loaded.
It is not possible to connect to the world.)