Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\Twig\SerializerBaseExtension.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\jms\serializer\src\Twig\SerializerBaseExtension.php on line 9