Fatal error: Uncaught Error: Class "Drupal\Core\Routing\RouteSubscriberBase" not found in /home/www/drupal8/test/modules/token/src/Routing/RouteSubscriber.php:15
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/modules/token/src/Routing/RouteSubscriber.php on line 15