Get term siblings of current child taxonomy

Figured it out:

$carousel_items = get_queried_object();
$next_items = get_terms(
  $carousel_items->taxonomy,
    array('parent' => $carousel_items->parent,)
);

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)