[0.5.0] Game crashes on loading old save

[Candunc]

I have a save from 0.4.1 that I've been using for a while now, and with the newest version of Factorio it crashes the game.

Windows 7 x64

Crash message:


Here is the save for debugging purposes: Link

[kovarex]

Thank you for the report and save, I just fixed the problem, in 0.5.1 it will be available (soon).

P.S. Nice trains