On Thu, 15 Jun 2006, Tomás Rodriguez Orta wrote:
Warning: include_once(config/db.inc.php) [function.include-once]: failed to open stream: No such file or directory in /usr/local/www/apache22/data/roundcube/program/include/main.inc on line 48
Does that file exist? If you just installed, you need to move
the file that starts with db.inc to db.inc.php after modifying its contents to be appropriate for your installation.