Fatal error: Uncaught Error: Class "Drupal\Core\Config\Entity\ConfigEntityBundleBase" not found in /home/www/drupal8/test/core/modules/taxonomy/src/Entity/Vocabulary.php:61 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/taxonomy/src/Entity/Vocabulary.php on line 61