Kaltura_Client_Exception thrown

Invalid KS "Y2QyMzgxMWY5NDRiMzE1ZjRhNTViNzMzYjE5NGEwZmMwMWRkZTdjNXwxMDE7OzE0NzUzNTQwNDE7MjsxNDc1MjY3NjQxLjUwNTM7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"