Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransport" not found in /home/standardtelephon/public_html/apps/vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php:34 Stack trace: #0 {main} thrown in /home/standardtelephon/public_html/apps/vendor/symfony/mailer/Transport/Smtp/SmtpTransport.php on line 34