Minecraft crashing on startup

[Rozayy]

Hello, I'm having a problem with the Galacticraft modpack. The game crashes before the Mojang screen comes up on my mac. I've tried downgraded to Java 6 and have had no luck. Please help!

http://pastebin.com/SYanRSBm

 

[Ashzification]

Please post in this format so we have all of the initial information to help you.

Operating System, bit type:
Java version/update, bit type:
Launcher version:
Completed the troubleshooting guide (y/n):
Console log, pastebin.com link:
Description of the problem:

 

[JamiePhonic]

go to the settings tab and press the force update button, then launch the pack again. it appears your missing a few "natives" (required files)