# Undefined control sequence

jezZiFeR jezzifer at gmail.com
Mon Apr 13 17:05:13 UTC 2020

Am 13. Apr. 2020, 17:23 +0200 schrieb Paul A. Rubin <parubin73 at gmail.com>:
> On 4/13/20 10:28 AM, jezZiFeR wrote:
> >
> > Am 13. Apr. 2020, 15:55 +0200 schrieb Kornel Benko <kornel at lyx.org>:
> > > Am Mon, 13 Apr 2020 15:34:56 +0200
> > > schrieb jezZiFeR <jezzifer at gmail.com>:
> > >
> > > > Hello,
> > > >
> > > > I get several »Undefined control sequence«-errors – could anybody please tell me, what
> > > > the problem might be? I add a minimal example and hope it is useful.
> > > >
> > > > Thanks very much and well, happy Easter nonetheless, all best :)
> > > > Jess
> > > >
> > > >
> > > >
> > >
> > > Result:
> > > Cannot find '../Nextcloud/MaM/2020_MaM/Diss4.bib'!
> > > Changing to Minimal and selecting other font (Dejavu instead of non installed "Stempel
> > > Schneidler Std") I got no errors. This is with the master version of lyx (2.4).
> > >
> > > With the same modification also no problem on lyx 2.3.
> > >
> > > Kornel
> > >
> > > —
> >
> >
> >
> > Hello,
> >
> > thanks for your quick reply and sorry for not changing the path in the document. I have now also changed the font now and have updated to 2.3.4.2 on OSX 10.14.6 – but still get those errors.
> >
> > I hope it is helpful, what is written in the error-description:
> > \select at language {german}
> > The control sequence at the end of the top line
> > of your error message was never \def'ed. If you have
> > misspelled it (e.g., \hobx'), type I' and the correct
> > spelling (e.g., I\hbox'). Otherwise just continue,
> > and I'll forget about whatever was undefined.
> >
> > Thanks
> > Jess
> >
> Like Kornel, it compiles with no problems on my system (Linux Mint) after the changes he mentioned. From the error message, I wonder if babel cannot find a German language package. Which TeX system are you using? If TeXLive, do you have texlive-lang-german installed?
>
> Paul
>
> —

Dear Paul,

thanks! I still had TeXLive-2019 installed. After an update now things work fine. But nonetheless: waht is tex live-lang-german? In TeX Live Utility I could see I have TeX Live manual (German) installed. I suppose you mean this?

Best
Jess

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