Error 404: Page Not Found

Chroot fedora-28 does not exist in @cockpit/cockpit-preview.
Available chroots:
centos-stream-8-x86_64
fedora-37-aarch64
epel-8-aarch64
centos-stream-9-x86_64
epel-8-x86_64
epel-9-aarch64
fedora-38-x86_64
fedora-37-x86_64
epel-9-x86_64
fedora-38-aarch64
centos-stream-9-aarch64