# Undefined control sequence

jezZiFeR jezzifer at gmail.com
Mon Apr 13 14:28:16 UTC 2020

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
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