A friend of mine set up a server using the Belt Upgrader mod, as well as https://mods.factorio.com/mod/beltlayer The Belt Upgrader mod appears to break with the underground belts. When trying to upgrade regular, "above ground" belts, the robots will place them onto the "underground be...

Downloaded the 0.15 headless a few minutes ago, attempted to start a brand new server with a new save file This is the result nasbawks x64 # ./factorio --start-server Shaun.zip 0.000 2017-04-24 11:50:01; Factorio 0.15.0 (build 29027, linux64, headless) 0.000 Operating system: Linux 0.000 Program arg...