Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Exception\ExceptionInterface" not found in C:\Apache24\htdocs\BookStack\vendor\ssddanbrown\symfony-mailer\Exception\TransportExceptionInterface.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\BookStack\vendor\ssddanbrown\symfony-mailer\Exception\TransportExceptionInterface.php on line 17