Fatal error: Uncaught Error: Interface "Drupal\Core\Routing\Access\AccessInterface" not found in /home/www/drupal8/test/core/modules/settings_tray/src/Access/BlockPluginHasSettingsTrayFormAccessCheck.php:16
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/modules/settings_tray/src/Access/BlockPluginHasSettingsTrayFormAccessCheck.php on line 16