Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractType' not found in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/src/Form/RegistrationFormType.php:15 Stack trace: #0 {main} thrown in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/src/Form/RegistrationFormType.php on line 15