Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Matcher\Dumper\MatcherDumper' not found in /home/devmecseminars/public_html/mec/vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherDumper.php:27 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/routing/Matcher/Dumper/CompiledUrlMatcherDumper.php on line 27