Updated iron, crashes on boot

[conzeit]

a download link from website mega.com asked me to update to the latest chrome version, so I decided to alleast try the lastest iron version

I'm on a mac so
I downloaded it, I extracted it and dragged the .app over the old one and replaced it.

Now iron wont start.

here's the error it gives me

http://pastebin.com/yUbPWjri