Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\HttpKernelBrowser" not found in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/framework-bundle/KernelBrowser.php:31 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/vendor/symfony/framework-bundle/KernelBrowser.php on line 31