Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Mapping\Loader\FileLoader" not found in /home/aipnbsfo/public_html/vendor/symfony/validator/Mapping/Loader/XmlFileLoader.php:24 Stack trace: #0 {main} thrown in /home/aipnbsfo/public_html/vendor/symfony/validator/Mapping/Loader/XmlFileLoader.php on line 24