LaTeX3 Error: Backend request inconsistent with engine: using 'pdfmode'

Kornel Benko kornel at
Mon Feb 3 15:44:07 UTC 2020

Am Mon, 3 Feb 2020 10:42:06 -0500
schrieb Scott Kostyshak <skostysh at>:

> On Mon, Feb 03, 2020 at 04:29:34PM +0100, Kornel Benko wrote:
> > 
> > This is for instance with examples/Presentations/Foils.lyx trying to use pdflatex.
> > Same error witth lualatex.
> > OTOH, if compiled first to dvi, also pdflatex and lualatex compile fine.  
> For me the compilation with pdflatex works fine on master, but I have an
> outdated TeX Live version (and I don't want to update right now since I
> don't want to break compilations I need for work).
> Remind me in a week or so if there is still a mystery and I can test on
> an updated TL once I get my Virtual Box setup working again.
> Scott

I hope, I don't forget. :)

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