Fatal error: Uncaught Error: Interface "Drupal\Core\Plugin\ContainerFactoryPluginInterface" not found in /home/www/drupal8/test/core/lib/Drupal/Core/ImageToolkit/ImageToolkitInterface.php:47 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/lib/Drupal/Core/ImageToolkit/ImageToolkitInterface.php on line 47