Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Loader\FileLoader" not found in /home/wilpf/public_html/pms/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php:37 Stack trace: #0 {main} thrown in /home/wilpf/public_html/pms/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php on line 37