Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransportFactory" not found in C:\xampp\htdocs\m-admin\vendor\symfony\mailer\Transport\NativeTransportFactory.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\m-admin\vendor\symfony\mailer\Transport\NativeTransportFactory.php on line 24