{1.6.4} Minecraft crash when i load it up w/ 1 item in mod

[stickpeted]

Hey guys, i was wondering if anybody could help with this problem. My minecraft crashes when i try to load up my mod (with just one item in it).

 

Heres the crash report: http://pastebin.com/mm14HsH3

 

Thank you so much if anybody can help 

 

-stickpeted

[MineMaarten]

I'm suspecting the path you filled in the @SidedProxy isn't the path your ClientProxy is in. You are sure it's at "stickpeted.elementalStaffs.client.ClientProxy" ?