Undefined property: stdClass::$metatags в функции metatag_taxonomy_facets_get_searcher_metatags_data()

In function metatag_taxonomy_facets_get_searcher_metatags_data() checked for entity but not checks metatags property exists.

there is entity without metatags property:

For this entity on line 274 try to use metatags property and getting error.
$result['entity_metatags'] = $entity ? $entity->metatags : array(LANGUAGE_NONE => metatag_config_load($config->instance)->config);