Fatal error: Uncaught Error: Interface 'Symfony\Component\Routing\Matcher\Dumper\MatcherDumperInterface' not found in D:\xampp\htdocs\psp\backend\vendor\symfony\routing\Matcher\Dumper\MatcherDumper.php:21 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\symfony\routing\Matcher\Dumper\MatcherDumper.php on line 21