Yes, it is also missing all files from http://archive.ubuntu.com/ubuntu/dists/focal/main/installer-amd64/. Debmirror mirrors this if you give the --di option.
An additional difficulty is that the equivalent for http://archive.ubuntu.com/ubuntu/dists/bionic/main/installer- amd64/current/images/ for focal is http://archive.ubuntu.com/ubuntu/dists/focal/main/installer- amd64/current/legacy-images/ because for some reason Ubuntu decided for an incompatible change. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1782214 Title: apt-mirror failing to download all files needed for install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-mirror/+bug/1782214/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs