Minecraft Crashing?

[hasty heron]

I put a helmet on from the L_Ender's Cataclysm mod and my game crashed, now I can't join back my server? Anyone know the issue or how to fix it?

[gilded thicket]

probably that mod is having issues

go ask mod author

[hasty heron]

Mod author is korean.... Do u know any way to fix it?

[gilded thicket]

nope this is a mod error strictly