1.6 modpack not working

[tippedagent]

i tried to launch direwolf 20 pack but it would not launch and in the console said could not launch
forg mod loader caused by java.lang.NoClassDefFoundError. help[DOUBLEPOST=1388612441][/DOUBLEPOST]and help is not part of java.lang.NoClassDefFoundError

 

[UniZero]

You need to post your full crash log to pastebin and link it here. If you need help then follow the link below.

http://forum.feed-the-beast.com/threads/your-logs-and-you-what-you-need-to-know.36509/