On 25 Jan 2021, Vincent Coen said the following...
 VC>  > Thanks. I had tried the first one, but not the second yet.
 VC> 
 VC> 
 VC> Warning - on other distros such as Mageia after a update when the updater
 VC> reports that some packages are now orphaned it is lying
 VC> 
 VC> So removing them can break links with other packages it does not know
 VC> about one
 VC> way or another.
 VC> 
 VC> Suggest you never remove such unused packages in future unless you
 VC> really know it is clear.  Depending on your package manager and yes
 VC> there is more than one there are some tools that can be used to verify
 VC> that nothing installed via the manager is being used UNLESS you have
 VC> manually installed some products which they do not know about.

Thanks. 

Neither od Rick's suggestions fixed the message, so I'm leaving it alone.
It's more of an annoyance than a problem, and nothing I am running have any
issues I have seen.

--- Mystic BBS v1.12 A46 2020/08/26 (Raspberry Pi/32)