look at your PPA's and see if there is an update repo for them. you can
look at your ppa config to check them.

Anything that is not from canonical might need updated repo information.

On Wed, Mar 13, 2024 at 6:41 PM Jim via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> Today I tried upgrading from Kubuntu 22.04 to 23.10 using the following
> command:
>
> sudo do-release-upgrade
>
> It went through the motions then came up with the following error message:
>
> An unresolvable problem occurred while calculating the upgrade.
>
> This was likely caused by: * Unofficial software packages not provided by
> Ubuntu Please use the tool 'ppa-purge' from the ppa-purge package to remove
> software from a Launchpad PPA and try the upgrade again.
>
>
> I read up on ppa-purge and  gathered that it will uninstall a program that
> was installed via a purged ppa if there isn't an earlier version in one of
> the official Ubuntu repositories.
>
> How am I supposed to know what ppa to purge?  Am I supposed to go through
> them one at a time until the upgrade is successful?  I imagine a horror
> story of purging a bunch of programs, not remembering what they are then
> finding out over the next few weeks as I try to run a program only to find
> it's not there and figuring out how to reinstall it again.
>
> Or is there something I'm missing?
>
> thanks
>
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen