Warning: require(mailer/vendor/autoload.php): failed to open stream: No such file or directory in /var/www/html/signalmash/trunk/php/MMSSend.php on line 3

Fatal error: require(): Failed opening required 'mailer/vendor/autoload.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/html/signalmash/trunk/php/MMSSend.php on line 3