Kaltura_Client_Exception thrown

Invalid KS "ODYzYmE0ZTU1NWEyZTRlNmQxNzEyMjBiNjRhYzM2M2E1Y2JmOGJjYXwxMDE7OzE0ODUzMDYwNDY7MjsxNDg1MjE5NjQ2LjMxNDc7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"