Put the summary of the bug you're having here

What I expected to happen was...: Adding the attribute Followerrange to an item for a custom map.
Describe what you thought should happen here. I expected for the item to draw mobs in from an increased range.

What actually happened was...: The Game crashed.
Describe what happened here. The game crashed when you put your cursor over it, and if the item is in your hand, the game crashes on launch.

Steps to Reproduce:
1. Add followerrange 150 percent on an item.
2. Start up game, and put cursor over item.
3. Deal with crash.