When I use sethbling "Add Attribute Modifier" Filter and "Modify Item Strings" Filter mc 1.6 crash

Put the summary of the bug you're having here

What I expected to happen was...:
Get a sword that have +50% health when hold and that have an aqua name : Magical Sword and a Lore : Made by Oliver (Oliver isn't my name)

What actually happened was...:
Minecraft Crashed when it was in the chest and the mouse courser over it

Steps to Reproduce:
1. I Don't know maybe fixing it
2. ...
3. ...