i get this error in explore v1 and v2 when using filters. if i remove the filter, it works as expected. <img width="1440" alt="screenshot 2017-02-05 19 41 44" src="https://cloud.githubusercontent.com/assets/130878/22634152/1c9c9330-ebdc-11e6-9818-a1e38fdcd5a3.png"> <img width="431" alt="screenshot 2017-02-05 19 49 23" src="https://cloud.githubusercontent.com/assets/130878/22634167/3aa8ebf8-ebdc-11e6-95b4-cca53be593d9.png">