Kaltura_Client_Exception thrown

Invalid KS "NDU3NjM0ZGFjYjM5N2Q2MzYwMDFkODM0OTliMDJhY2IxOWI0ZmY5YXwxMDE7OzE0OTMyNjc3NTc7MjsxNDkzMTgxMzU3Ljg2MTY7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"