Uncaught TypeError: Cannot read property 'position' of undefined

[ghost]

Line

Line 219 of hangout_updater

HangoutUpdater.prototype.fillCircleInfo = function(user) { ... var circle = self.controller.getCircle(user.circle_ids[0]); <====== this is returning null return 1 - ((1 / totalCircles) * circle.position); } return 0; };