Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\File\Exception\FileException' not found in /home/soh-works/www/websoket-sample/vendor/symfony/http-foundation/File/Exception/IniSizeFileException.php:19 Stack trace: #0 {main} thrown in /home/soh-works/www/websoket-sample/vendor/symfony/http-foundation/File/Exception/IniSizeFileException.php on line 19