hi there,

i tried to open my last save, game freezes while about 5 seconds in game.
same happens while trying to load an autosave.

factorio-current.log:
0.000 2017-06-01 20:13:05; Factorio 0.15.17 (build 30140, mac, steam)
0.000 Operating system: Mac OS X 10.12.5
0.000 Program arguments ...