Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Matcher\UrlMatcher" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\routing\Matcher\TraceableUrlMatcher.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\routing\Matcher\TraceableUrlMatcher.php on line 24