Kaltura_Client_Exception thrown

Invalid KS "MDc0MWNkMDVkZmJhN2E1OTY5MjMzMTdhZDhiN2FkM2RmOTE3ZDY1MnwxMDE7OzE0NzUxMDI1MzM7MjsxNDc1MDE2MTMzLjQ0NDY7QW5vbnltb3VzO2VkaXQ6Kg==", Error "-1,INVALID_STR"