[OS X TeX] strange biblatex error - should I run mktexlsr?

[Herbert Schulz]

> On Feb 18, 2021, at 11:37 AM, Murray Eisenberg <murrayeisenberg at gmail.com> wrote:
> 
> /usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx:571: Pack
> age xkeyval Error: `langbasque' undefined in families `blx at lbx'.

Howdy,

Hmmm... in /usr/local/texlive/2020/texmf-dist/tex/latex/biblatex/lbx/english.lbx I see a definition of langbasque on  line 473; line 571 is the end of that structure list. Are you up to date?

> 
> And in /Library/texmf/tex/latex/biblatex/lbx I have the referenced file mylanguagestrings.lbx which includes the following:
> 

From the information given I assume there is a missing ~ in front of /Library/texmf/tex/latex/biblatex/lbx.

Sorry I can't be more helpful.

Good Luck,

Herb Schulz
herbs at wideopenwest.com