Warning: Invalid argument supplied for foreach() in system.php on line 272

function getWidgets($position = null) {

if (empty($this->widgets)) {
foreach (wp_get_sidebars_widgets() as $pos => $ids) {
$this->widgets[$pos] = array();
foreach ($ids as $id) { <!— строка 272 —>
$this->widgets[$pos][$id] = $this->getWidget($id);
}
}
}

if (!is_null($position)) {
return isset($this->widgets[$position]) ? $this->widgets[$position] : array();
}

return $this->widgets;
}