Server forge 2046, client 2046/2049.

Modlist: http://pastebin.com/TR9vc0H4

Crashlog: http://pastebin.com/s5q0HjXe

This mod batch update caused this, in case it's not sonar core error: http://pastebin.com/kyCcvvVP

Fix is finished

Confirmed to be a sonar core/Calculator issue, downgraded them both to a previous version and game joins fine.

Yeah i'm aware of this issue, should have a fix out in the next 20 mins