Unable to upgrade the system

When perform a system upgrade, Artica generates an error Operating system failed download

This issue can be displayed when you try to click on “Upgrade Your system” button

Artica generates an “Upgrade Operating system failed download” generic error
When you click on “Details” link

You can see an error “Repository 'http://security.debian.org buster/updates InRelease' changed its 'Suite' value from 'stable' to 'oldstable'”

To fix this issue, apply the latest Hotfix available here and launch the upgrade task again.