Fatal error: Uncaught Error: Class "Drupal\file\Plugin\Field\FieldFormatter\FileMediaFormatterBase" not found in /home/qcsvlel/www/core/modules/file/src/Plugin/Field/FieldFormatter/FileVideoFormatter.php:20 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/file/src/Plugin/Field/FieldFormatter/FileVideoFormatter.php on line 20