Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Client' not found in /home/app/htdocs/ninja/vendor/symfony/http-kernel/Tests/Fixtures/TestClient.php:16
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/symfony/http-kernel/Tests/Fixtures/TestClient.php on line 16