Any mod packs have same problem

[DatslyFoxDoee]

I want to use Ftb Ultimate but crash at launch so i try others and still crash after validating , heres the link to pastebin
http://pastebin.com/Cnj2DN4v

 

[SatanicSanta]

You are missing the libjawt.dylib library.

 

[DatslyFoxDoee]

what is that and how can i get it ?

 

[SatanicSanta]

I don't know, because I can't find that file anywhere in my .minecraft folders, I would say it's an OS-specific thing.

 

[DatslyFoxDoee]

Oh , who could i talk to to find out how to fix this problem