Fatal error: Uncaught Error: Interface "Drupal\statistics\StatisticsStorageInterface" not found in /home/www/drupal8/test/core/modules/statistics/src/NodeStatisticsDatabaseStorage.php:12 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/statistics/src/NodeStatisticsDatabaseStorage.php on line 12