Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Kernel" not found in /var/www/html/usophy/vendor/symfony/psr-http-message-bridge/Tests/Fixtures/App/Kernel.php:24 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/symfony/psr-http-message-bridge/Tests/Fixtures/App/Kernel.php on line 24