This bug has been fixed a long time ago in more recent versions of Mnemosyne.
As a workaround, delete the file 'config' in Mnemosyne's configuration directory (typically ~/.config/Mnemosyne ) ** Changed in: mnemosyne (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1508881 Title: An unexpected error has occurred on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mnemosyne/+bug/1508881/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs