Mac Magic world modpack Crashing

[TheDoctor]

This Error seems to happen every time i launch my magic world mod pack. Please help
http://pastebin.com/VKt1Qj0c

 

[Scaffolding]

Inventory Tweaks seems to be your problem. If you are fine with an unofficial version I recommend Kobata's Invtweaks 1.50b or 1.50c as they are supposed to be Java 6 compatible.

Please let me know if this helps.

 

[TheDoctor]

It helps so much thank you!!!