Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Matcher\Dumper\MatcherDumper" not found in D:\Application\www\Training\vendor\symfony\routing\Matcher\Dumper\PhpMatcherDumper.php:26 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\symfony\routing\Matcher\Dumper\PhpMatcherDumper.php on line 26