1 Qube will not update via Qubes Update tool

I have 1 qube that I always have to manually update (been going on for months), claiming it can’t fetch the repo, but works fine from the command line.

running Qubes Update tool returns:

Updating sys-whonix
Refreshing package info
Refreshing packages.
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Fail to refresh InRelease: https://deb.qubes-os.org/r4.2/vm bookworm InRelease from https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease
Refreshed.
E:Failed to fetch https://deb.qubes-os.org/r4.2/vm/dists/bookworm/InRelease  Temporary failure resolving 'deb.qubes-os.org', E:Some index files failed to download. They have been ignored, or old ones used instead.

running

sudo apt update

returns:

Hit:1 tor+https://fasttrack.debian.net/debian bookworm-fasttrack InRelease
Hit:2 tor+https://deb.whonix.org bookworm InRelease                  
Hit:3 tor+https://deb.kicksecure.com bookworm InRelease              
Hit:4 https://deb.qubes-os.org/r4.2/vm bookworm InRelease            
Hit:5 tor+https://deb.debian.org/debian bookworm InRelease           
Hit:6 tor+https://deb.debian.org/debian bookworm-updates InRelease
Hit:7 tor+https://deb.debian.org/debian-security bookworm-security InRelease
Hit:8 tor+https://deb.debian.org/debian bookworm-backports InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
15 packages can be upgraded. Run 'apt list --upgradable' to see them.

contents of

/etc/apt/sources.list.d/qubes-r4.list

is same on other qubes that don’t have this problem.