Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Loader\FileLoader' not found in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/dependency-injection/Loader/DirectoryLoader.php:21 Stack trace: #0 {main} thrown in /home/www/public_html/admin/shared/codeigniter/vendor/symfony/dependency-injection/Loader/DirectoryLoader.php on line 21