https://www.drupal.org/project/bootstrap_barrio/issues/2186893
Metatags do not work with front page content disabled [#2186893] | Drupal.org
Dec 30, 2014 - This is actually an issue of the metatag module, please refer to https://drupal.org/node/2178411. Workaround https://www.drupal.org/node/1386320
do not workfront page