Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\File\UploadedFile" not found in /home/dominiodelascien/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Http/UploadedFile.php:13 Stack trace: #0 {main} thrown in /home/dominiodelascien/public_html/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Http/UploadedFile.php on line 13