Kaltura_Client_Exception thrown

Invalid KS "OTY4MWJhYjJjOGUzNjdkN2QxNjIxNjQ3NGQzMDM4MGIwYmYyMGZjN3wxMDE7OzE0ODgwNzY2OTM7MjsxNDg3OTkwMjkzLjE5NDE7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"