FTB Unleashed Crashing when connecting to Server

[uyleinad]

FTB Launches just fine. However, upon connecting to a private server, the game crashes.
Pastebin: http://pastebin.com/KNLP86eK
The server is one downloaded from the FTB website.

 

[Vartis]

Is it a black/white screen?

 

[uyleinad]

Turns into an error screen

 

[Ashzification]

Please do this: http://desk.feed-the-beast.com/index.php?/Knowledgebase/Article/View/9/0/basic-troubleshooting