Kaltura_Client_Exception thrown

Invalid KS "MWE3MmZlMmM1MTA5Zjg0MmQyZTcwMWM3ZmQ5MjViODUyYWU3NTBiOXwxMDE7OzE0NzI1MzA0Mjc7MjsxNDcyNDQ0MDI3LjQ2ODU7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"