Fatal error: Uncaught Error: Class 'Symfony\Component\Mailer\Transport\AbstractTransportFactory' not found in C:\xampp\htdocs\plugins\Symfony\Component\Mailer\Transport\NativeTransportFactory.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Component\Mailer\Transport\NativeTransportFactory.php on line 24