When this happens in Factorio, the game pauses, one player (the server?) saves the game and sends it to all other players who load the savefile and the game res

When this happens in Factorio, the game pauses, one player (the server?) saves the game and sends it to all other players who load the savefile and the game resumes when that's done. It's not a nice experience, but it's a lot better than "you can't play today, goodbye!"