Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Matcher\Dumper\MatcherDumper' not found in /home/app/htdocs/message_gateway/vendor/symfony/routing/Matcher/Dumper/PhpMatcherDumper.php:26 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/routing/Matcher/Dumper/PhpMatcherDumper.php on line 26