/run/miso/sfs/livefs: wrong fs type, bad option, bad superblock on /dev/loop0, missing codepage or helper program, or other error.
Did you verify the checksums of the ISO? Sounds like it may have been corrupted.
From the download page, click the More button and click the Checksum button. That will download an .iso.sha256 file matching the ISO.
Note that I’ve edited your topic title to reflect the error message you encountered.
Please see: