Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\twig-bridge\Extension\SerializerExtension.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\twig-bridge\Extension\SerializerExtension.php on line 20