Fatal error: Uncaught Error: Class "Drupal\Component\Annotation\PluginID" not found in /home/www/drupal8/test/core/lib/Drupal/Core/Render/Annotation/RenderElement.php:27 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/lib/Drupal/Core/Render/Annotation/RenderElement.php on line 27