Fatal error: Uncaught Error: Class 'Drupal\flag\Plugin\ActionLink\FormEntryTypeBase' not found in /var/www/html/tmp/contrib/flag/src/Plugin/ActionLink/FieldEntry.php:19 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/flag/src/Plugin/ActionLink/FieldEntry.php on line 19