Den tis 21 aug. 2018 23:39Nicolas Goaziou <mail@nicolasgoaziou.fr> skrev:

> Hello,
>
> Henrik Frisk <frisk.h@gmail.com> writes:
>
> > I have been trying out ob-lilypond and it works really well, except for
> the
> > arrange mode. Any attempt to run ly-tangle results in 'Symbol’s function
> > definition is void: org-babel-get-header' and so does an attempt to
> export
> > a file, such as the example file, in basic mode to html for instance.
> >
> > I was thinking it was related to sh/shell since this appears to be a
> common
> > issue with regard to this error, but the ob-lilypond does not appear to
> use
> > any reference to sh (the doc for ob-lilypond does). I also tried to load
> > ob-core as was suggested in some post but that didn't work either.
> >
> > Other tangle other languages works fine.
> >
> > Any suggestions?
>
> `org-babel-get-header' was removed in Org 9.0 and current ob-lilypond.el
> doesn't call this function. My guess is you are mixing a new Org release
> with an old "ob-lilypond.el".
>

Sorry for not replying earlier, I missed this message. Thanks, that points
me in a useful direction I think!

Best,
Henrik

>