Fatal error: Uncaught Error: Class "Drupal\views\Plugin\views\row\RssPluginBase" not found in /home/www/drupal8/test/core/modules/comment/src/Plugin/views/row/Rss.php:20
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/modules/comment/src/Plugin/views/row/Rss.php on line 20