Sometimes when my game crashes, when I try to rejoin a friend's game it says: "You are not invited to play on this server" the only fix is if the host reloads the world, this bug is really annoying. Update: It still hasn't been fixed.
1. Put your console into sleep mode while playing on another person's world.
2. Rejoin the game
3. Repeat if needed
1. Have the host reload the world
3. Continue with whatever you were doing