Kaltura_Client_Exception thrown

Invalid KS "MGQwYzU1MmJkNzEzYjYwNGQxM2RiZjQ0NTFmOGM5NTk3OGVhNTNmOXwxMDE7OzE0NzUyNjc3OTA7MjsxNDc1MTgxMzkwLjM5NDM7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"