Error 404: Page Not Found

Chroot fedora-31 does not exist in remi/qelectrotech.
Available chroots:
fedora-rawhide-aarch64
mageia-8-x86_64
fedora-38-x86_64
centos-stream+epel-next-8-aarch64
fedora-37-x86_64
fedora-rawhide-ppc64le
mageia-cauldron-i586
mageia-8-i586
centos-stream+epel-next-9-x86_64
fedora-39-aarch64
fedora-38-aarch64
epel-9-aarch64
centos-stream+epel-next-9-aarch64
mageia-cauldron-x86_64
centos-stream+epel-next-8-x86_64
fedora-rawhide-x86_64
epel-9-x86_64
fedora-39-x86_64
fedora-37-aarch64