Fatal error: Uncaught Error: Class "Twig\Extension\AbstractExtension" not found in C:\xampp\htdocs\alpr\vendor\slim\twig-view\src\TwigExtension.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\alpr\vendor\slim\twig-view\src\TwigExtension.php on line 13