Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransport" not found in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Mail/Transport/SesTransport.php:11 Stack trace: #0 {main} thrown in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Mail/Transport/SesTransport.php on line 11