AotBT not opening

[Demcmd]

Hey! So I've been trying to open Attack of the B-Team for about 10 minutes. Whenever I click 'play', it opens and then closes, then goes back to the launcher like nothing happened. I have a pastebin log of the console, if needed. It is from when I first opened the Technic Pack to me failing at opening AotBT. Before you say, 'try reinstalling the technic pack', I did. Didn't work! Please help if you can!

 

http://pastebin.com/YMWZVn5R

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