Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Matcher\UrlMatcher" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\routing\Matcher\TraceableUrlMatcher.php:24 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\routing\Matcher\TraceableUrlMatcher.php on line 24