Warning: require_once(/home/webadmin/www/moodle/lib/setup.php) [function.require-once]: failed to open stream: No such file or directory in /var/www/moodle/config.php on line 20

Fatal error: require_once() [function.require]: Failed opening required '/home/webadmin/www/moodle/lib/setup.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/moodle/config.php on line 20