Kaltura_Client_Exception thrown

Invalid KS "NGIwMTVmMWM3ZmRiZGE0NjA5MmUxYzA1YTAxNmMxOGNiNzgxOWNjNnwxMDE7OzE0OTM2NjQxNDA7MjsxNDkzNTc3NzQwLjM5MDc7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"