Fatal error: Uncaught Error: Class 'Twig\Extension\AbstractExtension' not found in C:\xampp\htdocs\ApiSigestWin\1.0\node_modules\SistemaBundle\Twig\SistemaBundleExtension.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\node_modules\SistemaBundle\Twig\SistemaBundleExtension.php on line 19