Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\HtmlToTextConverter\HtmlToTextConverterInterface" not found in /var/www/html/app/vendor/symfony/mime/HtmlToTextConverter/DefaultHtmlToTextConverter.php:17 Stack trace: #0 {main} thrown in /var/www/html/app/vendor/symfony/mime/HtmlToTextConverter/DefaultHtmlToTextConverter.php on line 17