Fatal error: Uncaught Error: Interface 'Symfony\Component\Routing\Matcher\UrlMatcherInterface' not found in /home/soh-works/www/websoket-sample/vendor/symfony/routing/Matcher/UrlMatcher.php:29 Stack trace: #0 {main} thrown in /home/soh-works/www/websoket-sample/vendor/symfony/routing/Matcher/UrlMatcher.php on line 29