Endless typesetting with enabled Show changes in output

[Guido Milanese]

On Wed, 26 Feb 2020 07:29:31 +0100
Daniel <xracoonx at gmx.de> wrote:

> On 2020-02-25 21:45, Daniel wrote:
> > Hi,
> > 
> > I am trying to create a PDF that shows the changes I have done in a 
> > rather huge document. For some reason when I enable the option, the 
> > typesetting never ends. No error, no nothing. Just a message box
> > after a while that the process is still running and whether I want
> > to end it. No matter what I answer, it does not create the PDF.
> > 
> > Daniel
> >   
> 
> Sorry, forgot to attach the messages (below). But it doesn't tell me
> much.

I am not an expert in LyX (I normally use LaTeX directly) but I was
wondering if this message:

>  Different textclasses

may be the clue. It seems that you are including files of "article"
class in a parent document featuring the "scrbook" class. Perhaps this
discussion may be useful:
https://latex.org/forum/viewtopic.php?t=18594
Just my tuppence.

gm

---
Guido Milanese, Professor of Classics, PhD HC Paris ICP
http://docenti.unicatt.it/ita/guido_fabrizio_milanese/
http://usi.to/tz4