Kaltura_Client_Exception thrown

Invalid KS "N2E5MGZlMGIxYmVjY2U4M2MzNDA5NzIzYmM0MGNkYTk5YjkyMzI5NHwxMDE7OzE0OTU3MDA4NDk7MjsxNDk1NjE0NDQ5LjU3Mjc7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"