World don't generate and server shut down without leaving single player

[kindred wigeon]

So I don't know what is happening but, when trying to load new chunks it won't load; even worse the chunks that has been loaded disappeared. To fix that I try leaving the game and reentering, which solves the problem, temporarily. But every time I leave the game a message that says I got removed from the server.

this is the message that pops up whenever I exit the game

this is the chunk not loading. Both is true for unexplored and explored chunks

[kindred wigeon]

more screenshots of the chunk errors

I cannot go through in it

exiting and reentering the world seemed to fix it temporarily

but they still happen after I travel far from them