The original package noted was a mistake. The nearest I can guess at for this problem is as above. I couldn't find anything that was obvious for a problem Gtk+3.0 development
** Package changed: ubuntu => libcanberra (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1816032 Title: gtk_widget_destroy reports error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libcanberra/+bug/1816032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs