Upgrading PVE Tries to Remove proxmox-ve package

It appears that 2 of the Debian repos are missing at your end:
Code:
http://ftp.debian.org/debian bookworm InRelease
http://ftp.debian.org/debian bookworm-updates InRelease
Go to your GUI & select them.
Great! So easy....thank you very much for your help :)
 
You should never run that on a PVE system.
Instead (as shown in the docs) try:
Code:
apt-get update
apt-get dist-upgrade

just to avoid possible confusion:

"apt full-upgrade" and "apt dist-upgrade" and "apt-get dist-upgrade" can all be used to upgrade PVE (or PBS or PMG) systems. there are very subtle differences in semantics, but they should not matter.

the commands which risk breaking a system (mostly in case some relation between package updates was overlooked during packaging work!) or not fully upgrading it are

"apt upgrade" or "apt-get upgrade"

those should not be run!
 

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