Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Loader\AttributeFileLoader" not found in D:\programs\xampp\htdocs\blog\vendor\symfony\routing\Loader\AttributeDirectoryLoader.php:24 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\blog\vendor\symfony\routing\Loader\AttributeDirectoryLoader.php on line 24