Hi there, I am getting error as soon as I tap on the toggle to enable the filter. Please view error in the attached screenshot. <img width="1398" alt="screen shot 2016-12-10 at 5 48 37 pm" src="https://cloud.githubusercontent.com/assets/24495087/21074416/3c62c32c-bf01-11e6-98a2-afe5bea1cf05.png">