Kaltura_Client_Exception thrown

Invalid KS "ZjUzNDUwNGJhOTkzMDQzMjM0NTk5NzhhMjg1ZTQ0NDNkYjllMGM1OXwxMDE7OzE0NzUwNDc4NTA7MjsxNDc0OTYxNDUwLjI4MzI7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"