I also received the same error trying to boot the latest Kubuntu Hirsute daily at http://cdimage.ubuntu.com/kubuntu/daily-live/20201107/hirsute-desktop-amd64.iso .
I also received the same error trying to boot the latest Kubuntu Hirsute daily at http:// cdimage. ubuntu. com/kubuntu/ daily-live/ 20201107/ hirsute- desktop- amd64.iso .