Fatal error: Uncaught Error: Interface "Symfony\Component\Notifier\Channel\ChannelInterface" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/notifier/Channel/EmailChannel.php:30 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/notifier/Channel/EmailChannel.php on line 30