Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransport" not found in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Mail/Transport/SesTransport.php:14 Stack trace: #0 {main} thrown in /var/www/html/app/vendor/laravel/framework/src/Illuminate/Mail/Transport/SesTransport.php on line 14