TASK ERROR: command 'apt-get update' failed: exit code 100

[peterwalber]

I get always once per night this error

TASK ERROR: command 'apt-get update' failed: exit code 100

If I run apt update manually, I get this error

root@nuc:~# apt update
Hit:1 http://security.debian.org bookworm-security InRelease
Hit:2 http://ftp.de.debian.org/debian bookworm InRelease                                            
Hit:3 http://ftp.de.debian.org/debian bookworm-updates InRelease                                    
Err:4 https://enterprise.proxmox.com/debian/ceph-quincy bookworm InRelease  
  401  Unauthorized [IP: 212.224.123.70 443]
Err:5 https://enterprise.proxmox.com/debian/pve bookworm InRelease
  401  Unauthorized [IP: 212.224.123.70 443]
Reading package lists... Done
E: Failed to fetch https://enterprise.proxmox.com/debian/ceph-quincy/dists/bookworm/InRelease  401  Unauthorized [IP: 212.224.123.70 443]
E: The repository 'https://enterprise.proxmox.com/debian/ceph-quincy bookworm InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch https://enterprise.proxmox.com/debian/pve/dists/bookworm/InRelease  401  Unauthorized [IP: 212.224.123.70 443]
E: The repository 'https://enterprise.proxmox.com/debian/pve bookworm InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
root@nuc:~#

I have no subscription but enterprise repositories are enabled

Status
  
notfound: There is no subscription key

my repositories, I don't know how I got these repositories and I don't know what to do.

I'm not a commercial user

 

[tom]

=> start reading on https://pve.proxmox.com/pve-docs/pve-admin-guide.html#chapter_system_administration