Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Kernel\AbstractKernel" not found in D:\xampp\htdocs\anonymous-co\website\vendor\symfony\http-kernel\Kernel.php:33 Stack trace: #0 {main} thrown in D:\xampp\htdocs\anonymous-co\website\vendor\symfony\http-kernel\Kernel.php on line 33