On Mon, Jul 27, 2020 at 09:06:24PM +0200, Joseph Vidal-Rosset wrote:
> Le lun.  07/27/20 juil. 2020 à  08:28:03 , tomas@tuxteam.de a  envoyé ce
> message:
> >  Try to remove that milkbox entry.
> >
> > Cheers
> > -- t
> >
> 
> I dit it immediately and it works now !
> 
> Many thanks Tomas ! You really just helped me very efficiently !

Glad it helped :)

Let's hope this value stays when you restart Emacs. If it came from a
prior customization (which is likely), saving your customization (which
you probably did) will do the trick. Otherwise, some more debugging is
in order.

Cheers
-- tomás