Webmin asks to "correct" OS version to former OS version after Ubuntu upgrade

SYSTEM INFORMATION
OS type and version Ubuntu Linux 22.04.2
Webmin version 2.021

I have upgraded Ubuntu from 18.04.6 LTS to 20.04.6 LTS and updated Webmin about it in the Webmin Configuration > Operating System and Environment.
I was presented with a persistent notice on the dashboard:

“Information! Operating system Ubuntu Linux has been upgraded to version 18.04.6.”

I continued to upgrade my OS to Ubuntu 22.04.2 and agian updated Webmin about it.
I still have the same notice displayed.

/etc/issue is “Ubuntu 22.04.2 LTS \n \l”
/etc/debian_version is “bookworm/sid”

“Internal OS code used by Webmin” is “debian-linux” 13.0

any advice?

EDIT: This was solved after messing with the commands from this page about fixing broken install. The install was OK, but it might be related to the command:
sudo apt clean

I also did
sudo dpkg --configure -a

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