Fatal error: Uncaught Error: Class 'Symfony\Component\Config\Loader\FileLoader' not found in /home/app/htdocs/lidia/vendor/symfony/routing/Loader/DirectoryLoader.php:18
Stack trace:
#0 {main}
thrown in /home/app/htdocs/lidia/vendor/symfony/routing/Loader/DirectoryLoader.php on line 18