Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Kernel' not found in /home/jeanmichel.richer/public_html/ens/l3pro/symfony/Kernel.php:8 Stack trace: #0 {main} thrown in /home/jeanmichel.richer/public_html/ens/l3pro/symfony/Kernel.php on line 8