Kaltura_Client_Exception thrown

Invalid KS "YzRjYzQ2NmM5NmJlMjYwYmE4MmExMWIwOGIxNmNmNDEyNzRjNzIyNnwxMDE7OzE0OTM2NTc4NjM7MjsxNDkzNTcxNDYzLjU4NzI7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"