Fatal error: Uncaught Error: Class "Drupal\Component\Annotation\Plugin" not found in /home/www/drupal8/test/core/modules/views/src/Annotation/ViewsPluginAnnotationBase.php:11 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/views/src/Annotation/ViewsPluginAnnotationBase.php on line 11