Comment 3 for bug 1863664

On bionic, I can't trigger the error anymore

# quasselcore -c /var/lib/quassel --add-user --select-backend SQLite
2020-03-02 15:43:41 Warning: SslServer: Failed to open certificate file /var/lib/quassel/quasselCert.pem error: 5
2020-03-02 15:43:41 Warning: SslServer: Unable to set certificate file
           Quassel Core will still work, but cannot provide SSL for client connections.
           Please see http://quassel-irc.org/faq/cert to learn how to enable SSL support.
2020-03-02 15:43:41 Warning: SslServer: Failed to open certificate file /var/lib/quassel/quasselCert.pem error: 5
("QSQLITE")
("QSQLITE")
2020-03-02 15:43:41 Warning: Unable to open database SQLite for thread 0x55e942ca59c0
2020-03-02 15:43:41 Warning: - out of memory Error opening database