The game closes and says a error are ocurred, this shows everytime and is imposible to play, anymore

[The game doesn't even open the world, sometimes, but when other player join, turns the black screen with "The game are close because a error]

Steps to Reproduce:

1. [Start the game and choose any pack of texture,and any world, and the game take a lot of time in start, the black screen took such a long long time, back then don't happen this )
2. [The game doesn't load the world, because, then happen the error screen]
3. [Sometimes,  i can load the world, but 5 minutes after, or when my friends join, the games closes]

Observed Results:
[Its imposible to play]

Expected Results:
Play with my friends, without any problem when they join me, don't wait a long time to start the game, only to can't play anymore

Screenshots/Videos attached: [please attach an image or short video]

Notes:Took a long time to start the game seriously, and this never happen before, happen in all popurri packs,texture packs, worlds, and minigames