Kaltura_Client_Exception thrown

Invalid KS "MDY2OWI2YTEwMzYxYWI3ZWI2YWY1ZTkwNjRlOWJkMzBhMjM0MWQ3ZXwxMDE7OzE0NzQ5Njc5MTU7MjsxNDc0ODgxNTE1LjMwNTY7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"