Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Loader\FileLoader' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\dependency-injection\Loader\YamlFileLoader.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\dependency-injection\Loader\YamlFileLoader.php on line 39