I don't think it's a user error. I don't know how I would make an error there. Also, the only thing I changed for it to come to the same conclusion as myself was setting the analysis level to grandmaster instead of expert.
(verstecken) Behalte die Uebersicht über dein Postfach indem du wichtige Mitteilungen archivierst und nutze regelmässig die "Lösche alle Nachrichten"-Option in deinem Eingangs-Postfach. (pauloaguia) (zeige alle Tips)