Fatal error: Uncaught Error: Class 'App\Controller\AbstractController' not found in /home/jeanmichel.richer/public_html/ens/l3pro/symfony/form_3.php:7 Stack trace: #0 {main} thrown in /home/jeanmichel.richer/public_html/ens/l3pro/symfony/form_3.php on line 7