Kaltura_Client_Exception thrown

Invalid KS "YjlkNTI1NzU1M2E3OTUxYjM4N2QxYjU4N2U3YzNjZmYxZjZjYjAzNHwxMDE7OzE0OTM2MDk5NDQ7MjsxNDkzNTIzNTQ0LjI3NjQ7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"