string(476) "Error: MySQL server has gone away<br />Error No: 2006<br />SELECT SQL_CALC_FOUND_ROWS p.product_id,  IF(p2s.store_quantity > 0 , 1, 0) as avail  FROM product p LEFT JOIN product_to_store p2s ON (p.product_id = p2s.product_id)  LEFT JOIN `product_description` pd on pd.product_id = p.product_id  WHERE pd.language_id = '1' AND p.status = '1' AND p2s.store_date_available <= NOW() AND p2s.store_id = '48' GROUP BY p.product_id ORDER BY avail DESC, p.date_added DESC LIMIT 900,30"