Fatal error: Uncaught Error: Interface "Drupal\Core\Routing\Access\AccessInterface" not found in /home/www/drupal8/test/core/lib/Drupal/Core/Access/DefaultAccessCheck.php:11
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/lib/Drupal/Core/Access/DefaultAccessCheck.php on line 11