Catchable fatal error: Argument 1 passed to Wink_Model_FeedSubscription::getList() must be an instance of Wink_Model_User, null given, called in /data/home/web/live/webapp/web/controllers/DirectoryController.php on line 167 and defined in /data/home/web/live/webapp/web/Wink/Model/FeedSubscription.php on line 18