Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\HttpKernelBrowser" not found in C:\xampp\htdocs\hoteline\vendor\symfony\http-kernel\Tests\Fixtures\TestClient.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hoteline\vendor\symfony\http-kernel\Tests\Fixtures\TestClient.php on line 16