<br />
<b>Fatal error</b>:  Uncaught Exception: Error: MySQL server has gone away&lt;br /&gt;Error No: 2006&lt;br /&gt;
             select DISTINCT pa.text, ad.name, ptc.product_id from `oc_product_to_category` ptc
                 JOIN `oc_product_attribute` pa ON ptc.product_id = pa.product_id
                 JOIN `oc_attribute_description` ad on pa.attribute_id = ad.attribute_id
                 where ptc.product_id in
                 (
                     SELECT ptc.product_id FROM `oc_product_to_category` ptc
                     JOIN `oc_product_attribute` pa ON ptc.product_id = pa.product_id
                     JOIN `oc_attribute_description` ad on pa.attribute_id = ad.attribute_id
                     WHERE ptc.category_id = 541 AND (
                         (ad.name = 'Марка' AND pa.text = '12Х1МФ') OR (ad.name = 'ГОСТ/ТУ' AND pa.text = 'ТУ 14-3Р-55-2001') OR (ad.name = 'Толщина' AND pa.text = '2,5 мм') OR (ad.name = 'Диаметр' AND pa.text = '40 мм') OR (ad.name = 'Сечение' AND pa.text = 'Кр in <b>/var/www/metwell/data/www/metwell.ru/system/library/db/mysqli.php</b> on line <b>41</b><br />