Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractType" not found in /home/zdpktgd/ptc/src/Form/FormType/Fournisseur/ValidationFactureFormType.php:20 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/src/Form/FormType/Fournisseur/ValidationFactureFormType.php on line 20