Kaltura_Client_Exception thrown

Invalid KS "NDU4ZTRjZDM3OWI0NGU0ZDMzNTUyNGI4NGQyM2FlY2QyZDU5OTc0M3wxMDE7OzE0ODg0ODc2ODU7MjsxNDg4NDAxMjg1LjkyMzU7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"