there should be used a full qualified path

[23-Jun-2013 05:45:01 Europe/Vienna] PHP Warning: is_dir() [http://at.php.net/manual/de/function.is-dir.php]: open_basedir restriction in effect. File(skins/classic) is not within the allowed path(s): (/usr/share/roundcubemail:/var/log/roundcubemail:/etc/roundcubemail:/usr/share/pear) in /usr/share/roundcubemail/program/include/rcmail_output_html.php on line 156 _____________________

cronjob:

umask 006; nice -n 19 ionice -c 3 php -d open_basedir="/usr/share/roundcubemail:/var/log/roundcubemail:/etc/roundcubemail:/usr/share/pear" /usr/share/roundcubemail/bin/cleandb.sh >> /var/log/roundcubemail/errors