Fatal error: Uncaught Error: Class 'Symfony\Component\Notifier\Recipient\Recipient' not found in C:\xampp\htdocs\ApiSigestWin\vendor\symfony\notifier\Recipient\AdminRecipient.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\vendor\symfony\notifier\Recipient\AdminRecipient.php on line 19