Affects Version/s: Minecraft 1.6.1
Fix Version/s: None
OS: Windows 7 (ver 6.1, arch amd64)
Java: 1.7.0_17 (by Oracle Corporation)
Launcher: 1.0.5 (bootstrap 4)
Minecraft: 1.6.1 (updated Mon Jul 01 07:47:29 EDT 2013)
Put the summary of the bug you're having here
What I expected to happen was: The filter changes the properties on the spawner to have a player detection range of 0.
What actually happened was: My game crashed twice.
Steps to Reproduce:*
1. Create a horse spawner.
2. Change properties to player detection range of 0.
3. Open the world. I crashed there.