Kaltura_Client_Exception thrown

Invalid KS "OGEyZjQ2YjllMjcwZDMyNmUwZmQ2Y2ExYzYxY2I3OWNjYWQ4MzRkM3wxMDE7OzE0NzUyMTg0OTA7MjsxNDc1MTMyMDkwLjMzNjtBbm9ueW1vdXM7ZWRpdDoq", Error "-1,INVALID_STR"