Warning: include(/var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/phpmailer/phpmailer/class.phpmailer.php): failed to open stream: Permission denied in /var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/composer/ClassLoader.php on line 444

Warning: include(/var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/phpmailer/phpmailer/class.phpmailer.php): failed to open stream: Permission denied in /var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/composer/ClassLoader.php on line 444

Warning: include(): Failed opening '/var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/composer/../phpmailer/phpmailer/class.phpmailer.php' for inclusion (include_path='.:/usr/share/pear') in /var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/vendor/composer/ClassLoader.php on line 444

Fatal error: Class 'PHPMailer' not found in /var/www/vhosts/stieger-transport.ch/httpsdocs/libraries/src/Mail/Mail.php on line 21