Fatal error: Uncaught Error: Interface "Symfony\Component\Notifier\Channel\ChannelInterface" not found in /home/dodom2/public_html/cgilink.biz/vendor/symfony/notifier/Channel/AbstractChannel.php:21 Stack trace: #0 {main} thrown in /home/dodom2/public_html/cgilink.biz/vendor/symfony/notifier/Channel/AbstractChannel.php on line 21