Warning: require_once(PEAR.php): failed to open stream: No such file or directory in /usr/share/php/DB.php on line 30

Fatal error: require_once(): Failed opening required 'PEAR.php' (include_path='.:/usr/share/php:/usr/share/pear:/home/jakkarth/public/yumesoftware.com/httpdocs') in /usr/share/php/DB.php on line 30