Kaltura_Client_Exception thrown

Invalid KS "NWFjZDVlZDQwNmQ3MThjYTFhOGIxMzQ4YTk3MDI0ZjU1ZjU5MGFhZXwxMDE7OzE0NzUwMTY4MTM7MjsxNDc0OTMwNDEzLjU5MzM7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"