Thanks

This script already lacks in my first save on this map (14 minutes of gameplay), so something went wrong during saving in singleplayer, loading in multiplayer or saving in multiplayer. There is possibility that map was created in 0.16.46, and we updated to 0.16.47 mid-game, but I'm not sure.
How do ...

No, not really. I created the game as singleplayer, then started the headless server. Only once i had to manually copy and load autosave, because someone crafted something. Maybe my antivirus (AVG) did something, but i doubt it.

Yesterday, I made an attempt to obtain the lazy bastard achievement. With four friends we managed to finish the game with only 110 items crafted, but after the rocket lunched the achievement was not granted. I tried lunching the rocket with and without satellite, loading save in singleplayer ...