This seems to be the same problem as this bug , which has been fixed in 0.12.26. It should work once you update to that version.

Yeah i had try with the last update, and the error now is fixed, really god job factorio Team, really fast and a great game!

I hope you manage to sold many more copies ...

Hi! i have this problem in the campaign :

http://i.imgur.com/ZnirwW5.png

This is the log file :
0.001 2016-03-03 19:25:46; Factorio 0.12.24 (Build 17689, win64)
0.001 Operating system: Windows 10
0.001 Program arguments: "D:\Steam\steamapps\common\Factorio\bin\x64\Factorio.exe"
0.001 Read ...