Fatal error: Uncaught Error: Interface 'Symfony\Component\Routing\Matcher\Dumper\MatcherDumperInterface' not found in /var/www/typo3/vendor/symfony/routing/Matcher/Dumper/MatcherDumper.php:21 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/symfony/routing/Matcher/Dumper/MatcherDumper.php on line 21