Kaltura_Client_Exception thrown

Invalid KS "NTRkNWM2MzFjMTNjMTljYzMyM2VlNzFhZTM3ZTkyZDZmNjQyNzM1YnwxMDE7OzE0NzUwMjI2OTM7MjsxNDc0OTM2MjkzLjI2ODM7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"