Error: Unknown column 'rating' in 'order clause'<br />Error No: 1054<br />SELECT *, pd.name AS name, p.image, m.name AS manufacturer, ss.name AS stock FROM oc_product p LEFT JOIN oc_product_description pd ON (p.product_id = pd.product_id) LEFT JOIN oc_product_to_store p2s ON (p.product_id = p2s.product_id) LEFT JOIN oc_manufacturer m ON (p.manufacturer_id = m.manufacturer_id) LEFT JOIN oc_stock_status ss ON (p.stock_status_id = ss.stock_status_id) WHERE p.status = '1' AND p.date_available <= NOW() AND pd.language_id = '1' AND p2s.store_id = '0' AND ss.language_id = '1' ORDER BY rating DESC LIMIT 0,20