Fatal error: Uncaught Error: Class "Drupal\views\Annotation\ViewsPluginAnnotationBase" not found in /home/www/drupal8/test/core/modules/views/src/Annotation/ViewsRow.php:14 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/views/src/Annotation/ViewsRow.php on line 14