Remember to cover the basics, that is, what you expected to happen and
what in fact did happen.  You don't know how to make a good report?  See

     https://orgmode.org/manual/Feedback.html#Feedback

Your bug report will be posted to the Org mailing list.
------------------------------------------------------------------------

When I try to export this org-mode snippet as PDF, I get errors:


#+caption: Schematic
[[https://www.draketo.de/wissen/essd-14-4811-2022-f02-web--cc-by.png][file:essd-14-4811-2022-f02-web--cc-by.png]]


Runaway argument?
{\begin {figure}[htbp] 
! Paragraph ended before \href@split was complete.
<to be read again> 
                   \par 
l.38 
     

LaTeX Warning: File `essd-14-4811-2022-f02-web--cc-by.png' not found on input l
ine 39.


! Package pdftex.def Error: File `essd-14-4811-2022-f02-web--cc-by.png' not fou
nd: using draft setting.

See the pdftex.def package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.39 ...dth]{essd-14-4811-2022-f02-web--cc-by.png}
                                                  

(/gnu/store/3rqj0gzglw46lw3prrd1pdzqzkw0d2nz-texlive-texmf-20210325/share/texmf
-dist/tex/latex/base/t1cmtt.fd)

! LaTeX Error: \caption outside float.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.40 \caption
             {Schematic}

Overfull \hbox (8.6822pt too wide) in paragraph at lines 39--41
[][] \T1/cmr/m/n/10.95 Schematic 
! Extra }, or forgotten \endgroup.
\@endfloatbox ...pagefalse \outer@nobreak \egroup 
                                                  \color@endbox 
l.41 \end{figure}
                 }
! Too many }'s.
\color@endbox ->\color@endgroup \egroup 
                                        
l.41 \end{figure}
                 }

! LaTeX Error: \begin{document} ended by \end{figure}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.41 \end{figure}
                 }
! Extra \endgroup.
<recently read> \endgroup 
                          
l.41 \end{figure}
                 }
! Too many }'s.
l.41 \end{figure}}
                  

The cause seems to be that this is exported as a figure wrapped in a
\href — see the latex export part:


\href{https://www.draketo.de/wissen/essd-14-4811-2022-f02-web--cc-by.png}{\begin{figure}[htbp]

\includegraphics[width=.9\linewidth]{essd-14-4811-2022-f02-web--cc-by.png}
\caption{Schematic}
\end{figure}}



Best wishes,
Arne

Emacs  : GNU Emacs 29.0.60 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, cairo version 1.16.0)
Package: Org mode version 9.6.3 (N/A @ /gnu/store/5bhjhzyn6cnal35xad5x55f7b4hf2jcp-emacs-org-9.6.3/share/emacs/site-lisp/org-9.6.3/)

-- 
Unpolitisch sein
heißt politisch sein,
ohne es zu merken.
draketo.de