Comment 13 for bug 1657591

...that's what I get as error message in the console:

(inkscape.exe:6704): glibmm-ERROR **:
unhandled exception (type std::exception) in signal handler:
what: basic_string::_M_construct null not valid

Emergency save activated!
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can fix it.