Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /home/mydemotec/public_html/rms/vendor/symfony/mailer/Command/MailerTestCommand.php:27 Stack trace: #0 {main} thrown in /home/mydemotec/public_html/rms/vendor/symfony/mailer/Command/MailerTestCommand.php on line 27