crash in when i use addatributions filter for MCedit by sethbling

I used Sethbling's Newest Filter for 1.6.1 because im a mapmaker and ...

What I expected to happen was...:
I thought i could have more health but when i opened the chest and clicked the item i crashed ...

What actually happened was...:
I crashed

Steps to Reproduce:
1. go to Sethblings 1.6.1 pre release video
2. download it and it it into MCedit 1.7 filter section
3. use it on armor in a chest using the filter button
4. if you open the chest and scroll over the item you crash