Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Exception\ResourceNotFoundException" not found in C:\xampp\htdocs\my-app\my-new-app\vendor\symfony\routing\Exception\NoConfigurationException.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\my-app\my-new-app\vendor\symfony\routing\Exception\NoConfigurationException.php on line 19