I am unable to do an update get the above error message. I have looked at the forum and the sources.list repository is correct. Not sure what is going on here
deb http://ftp.uk.debian.org/debian bookworm main contrib
deb http://ftp.uk.debian.org/debian bookworm-updates main contrib
# security updates
deb http://security.debian.org bookworm-security main contrib
deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription
deb http://ftp.uk.debian.org/debian bookworm main contrib
deb http://ftp.uk.debian.org/debian bookworm-updates main contrib
# security updates
deb http://security.debian.org bookworm-security main contrib
deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription