Kaltura_Client_Exception thrown

Invalid KS "MGRlOWE4ZWZjOGY4OTQ5MzFkMWM5ZTUyNjUwZmE5M2ViMmZmYzkzOHwxMDE7OzE0NzUzNzkwNzg7MjsxNDc1MjkyNjc4Ljc4Nzk7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"