Hi,
logged in for another user, you get errors viewing the calendars. No calendars are shown.
IMAP Error: Login failed for user@domain.com from 80.80.80.80. AUTHENTICATE PLAIN: authentication failure in /usr/share/roundcubemail/program/lib/Roundcube/rcube_imap.php on line 184 (GET /roundcubemail/?_task=calendar)
regards, Henning