Quoting Andreas Tepe <a...@muenster.de>:
* Inkscape crashed with the message
Does this happen only with specific PDFs?
Because this works for me with inkscape stable backport:
$ dpkg -l inkscape
...
ii inkscape 1.1.2-3~bpo11+1 amd64 vector-based drawing program
$ wget
https://buergernetz-muenster.de/wp-content/uploads/2019/06/Digitaler-Nachlass.pdf
...
$ inkscape --pdf-page=1 --export-overwrite --export-type=svg
Digitaler-Nachlass.pdf
$ file Digitaler-Nachlass.svg
Digitaler-Nachlass.svg: SVG Scalable Vector Graphics image
Cheers