Toto se Vam pravdepodobne stane, pokud upgradujete kontejner na debian 13, ale provozujete jeste starsi verzi proxmoxu, ktera z debianem 13 nepocitala:
$version = $1;
die "unsupported debian version '$version'\n" if !($version >= 4 && $version <= 14);
my $self = { conf => $conf, rootdir => $rootdir, version => $version };
https://forum.proxmox.com/threads/proxmox-8-4-12-and-debian-13-1-lxc-containers.171432/