Can't start the game on Mac after update

After updating via Steam, I’m unable to open the app. I get &quotOS Error 4294956486&quot in a Steam error message.

Hardware Overview:

Model Name: MacBook Pro
Model Identifier: MacBookPro11,2
Processor Name: Intel Core i7
Processor Speed: 2,2 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 16 GB
Boot ROM Version: MBP112.0142.B00
SMC Version (system): 2.18f15

System Software Overview:

System Version: macOS 10.13.1 (17B1003)
Kernel Version: Darwin 17.2.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Secure Virtual Memory: Enabled
System Integrity Protection: Enabled
Time since boot: 55 days 3:13

Hey sb,

Please could you try uninstalling the game and then reinstalling it before launching it again. Let me know if this resolves your issue or if you have the same problem after reinstalling it.

Reinstalling helped, thanks!