Seeing this with valid active community license...
starting apt-get update
Hit:1 http://security.debian.org/debian-security bookworm-security InRelease
Hit:2 http://ftp.debian.org/debian bookworm InRelease
Hit:3 http://ftp.debian.org/debian bookworm-updates InRelease
Err:4 https://enterprise.proxmox.com/debian/pve bookworm InRelease
401 Unauthorized [IP: 144.217.225.162 443]
Reading package lists...
E: Failed to fetch https://enterprise.proxmox.com/debian/pve/dists/bookworm/InRelease 401 Unauthorized [IP: 144.217.225.162 443]
E: The repository 'https://enterprise.proxmox.com/debian/pve bookworm InRelease' is not signed.
TASK ERROR: command 'apt-get update' failed: exit code 100
starting apt-get update
Hit:1 http://security.debian.org/debian-security bookworm-security InRelease
Hit:2 http://ftp.debian.org/debian bookworm InRelease
Hit:3 http://ftp.debian.org/debian bookworm-updates InRelease
Err:4 https://enterprise.proxmox.com/debian/pve bookworm InRelease
401 Unauthorized [IP: 144.217.225.162 443]
Reading package lists...
E: Failed to fetch https://enterprise.proxmox.com/debian/pve/dists/bookworm/InRelease 401 Unauthorized [IP: 144.217.225.162 443]
E: The repository 'https://enterprise.proxmox.com/debian/pve bookworm InRelease' is not signed.
TASK ERROR: command 'apt-get update' failed: exit code 100