I am really sorry this part was causing problems earlier so I assumed this was cause this time too, error is cause by a different part of code. Thanks for your time and extremely sorry for the unecessary trouble.
On Thu, Jun 4, 2020 at 1:21 PM Daniel Boles via gtkmm-list < gtkmm-list@gnome.org> wrote: > You can debug it to find out. > > The quoted exception stated clearly that your code is somehow invoking an > std::string constructor with a nullptr, which is illegal. Since > Glib::ustring contains an std::string, it might be a ustring causing this. > Debug to find out where a null pointer is arising and then determine why. > > _______________________________________________ > gtkmm-list mailing list > gtkmm-list@gnome.org > https://mail.gnome.org/mailman/listinfo/gtkmm-list >
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