World crashes and progress gets lost

I can be playing in my world and the world gets closed. It then says that my world in to large and that I have no space left, even though I have about 40 gigabytes of space, and my world isn't even that large.

 

https://twitter.com/illusionMaster5/status/1465845595185184768?t=sUrthbLTat__xEiOuzopjg&s=19

 

There is a clip of it happening.