Start a new multiplayer game. Remove temp/currently-playing/replay.dat. Try connecting to that game. You get the message "Notice: Unknown key: mulitplayer.cannot-save-map"
There seems to be a typo in there: mulit vs. multi.
[0.12.16] [kovarex] missing translation key mulitplayer.cannot-save-ma
[0.12.16] [kovarex] missing translation key mulitplayer.cannot-save-ma
Automatic Belt (and pipe) Planner—Automate yet another aspect of constructing your factory!
Re: [0.12.16] [kovarex] missing translation key mulitplayer.cannot-save-ma
Yes, thx for the notice, fixed for 0.12.17