Fatal error: Uncaught Symfony\Component\Mailer\Exception\InvalidArgumentException: The mailer DSN must contain a scheme. in /var/www/api/app/Services/Orders/OrderNotificationService.php:20 Stack trace: #0 /var/www/vendor/symfony/mailer/Transport/Dsn.php(38): [constant expression]() #1 /var/www/vendor/symfony/mailer/Transport.php(166): Symfony\Component\Mailer\Transport\Dsn::fromString(Object(SensitiveParameterValue)) #2 /var/www/vendor/symfony/mailer/Transport.php(113): Symfony\Component\Mailer\Transport->parseDsn(Object(SensitiveParameterValue)) #3 /var/www/vendor/symfony/mailer/Transport.php(83): Symfony\Component\Mailer\Transport->fromString(Object(SensitiveParameterValue)) #4 /var/www/api/app/Services/Mail/MailService.php(30): Symfony\Component\Mailer\Transport::fromDsn(Object(SensitiveParameterValue)) #5 /var/www/api/app/Services/Orders/OrderNotificationService.php(19): App\Services\Mail\MailService->__construct() #6 /var/www/web/app/Controllers/ShopController.php(32): App\Services\Orders\OrderNotificationService->__construct() #7 /var/www/api/app/Core/Router.php(90): Store\Controllers\ShopController->__construct() #8 /var/www/web/public/index.php(18): App\Core\Router->resolve() #9 {main} thrown in /var/www/api/app/Services/Orders/OrderNotificationService.php on line 20