Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in /home/wordpri/www/cci/amar/Projet-v1 2 apache/vendor/symfony/twig-bridge/Extension/SerializerExtension.php:20 Stack trace: #0 {main} thrown in /home/wordpri/www/cci/amar/Projet-v1 2 apache/vendor/symfony/twig-bridge/Extension/SerializerExtension.php on line 20