Kaltura_Client_Exception thrown

Invalid KS "OGY4MmIzOTRmMDQ1ZTM5MGM3MTkzZTMzYzRjYjVkMDUzNzUyZDE2M3wxMDE7OzE0ODE0MTMyODc7MjsxNDgxMzI2ODg3LjE2MjI7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"