Kaltura_Client_Exception thrown

Invalid KS "ODk3MmRkY2IzNWExODEwOGM4ZmJmMGE4MGQ0YTEyNDliZDNmOThmMHwxMDE7OzE0ODUzNjU5Nzg7MjsxNDg1Mjc5NTc4LjQ2ODtBbm9ueW1vdXM7ZWRpdDoq", Error "-1,INVALID_STR"