Fatal error: Uncaught Error: Class "Drupal\views\Plugin\views\style\StylePluginBase" not found in /home/www/drupal8/test/core/modules/rest/src/Plugin/views/style/Serializer.php:24 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/rest/src/Plugin/views/style/Serializer.php on line 24