Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\File\File' not found in /home/app/htdocs/lidia/vendor/symfony/http-foundation/Tests/File/FakeFile.php:16 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/symfony/http-foundation/Tests/File/FakeFile.php on line 16