I have tried in F36 with this command:
sudo livecd-iso-to-disk --format msdos --reset-mbr Fedora-LXDE-Live-x86_64-37-1.7.iso /dev/sda
and it gave the error:
It is OK to use this media.
Error 1 detected at line 2028 /usr/bin/livecd-iso-to-disk
And I’m also usong version 31.0 of livecd-iso-to-disk