Warning: include_once(phing/Task.php) [function.include-once]: failed to open stream: No such file or directory in /var/www/pyg/lib/symfony/vendor/phing/tasks/ext/MailTask.php on line 22

Warning: include_once() [function.include]: Failed opening 'phing/Task.php' for inclusion (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/pyg/lib/symfony/vendor/phing/tasks/ext/MailTask.php on line 22

Fatal error: Class 'Task' not found in /var/www/pyg/lib/symfony/vendor/phing/tasks/ext/MailTask.php on line 33