Updated my game to the Cliffs and Caves update on PS5. (V2.34). Per direction I made a copy of the world and then proceeded to open the world after the update. I was in the end. When I went to return to the overworld, the game crashed and when I tried to reopen it said that the world had been corrupted. 

I deleted all worlds and the game, reinstalled and restored from cloud versions. I continually get an error message that the game is corrupted, if I try to return to the overworld it gives me a corruption error. If I try to rejoin after that it states that Minecrat is out of data storage space and cannot save my progress and send me back to the main menu.

I've tried this with varying versions of this world from different save points in time and all result in the same error. Note that I have plenty of storage in my console and external drive.  This world has a couple of years of work in it and I would very much like to not lose this progress. HALP!

World size approx 934MB