Error when playing with my friends with an invitation and appears IT WAS NOT POSSIBLE TO CONNECT TO THE WORLD

Good night when I want to play with my friend through the option FRIENDS then my friend sends an invitation and when I accept and I will enter his world, trim it {IT WAS NOT POSSIBLE TO CONNECT TO THE WORLD} and this is very annoying and I think this is a bug I'm not sure but if it is please @ # TAKE IT I want to play with my friends please