Kaltura_Client_Exception thrown

Invalid KS "NGQxYWNmMjhhNzU5YjExYWYyMzlkNWM2NTE5YTQyZGZkOGMyMWQzY3wxMDE7OzE0OTM2NDI2MjI7MjsxNDkzNTU2MjIyLjI0MTE7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"