Ошибка в SQL запросе:
SELECT CONCAT(c.parent_url,c.url) AS category_url, p.url AS product_url, p.*, rate,
(p.price_course + p.price_course * (IFNULL(rate,0))) as `price_course`, p.currency_iso
FROM `mg_product` AS p
LEFT JOIN `mg_category` AS c ON c.id = p.cat_id
WHERE p.id IN (2182,23,2189,6540,2170,5372,6565,1983,2242,2144,3992,3344,4803,2076,685,4880,3264,774,1976,664,3261,3190,6785,3378,7009,5452,6624,579,3682,6790,2368,7376,2971,4785,6784,2377,3227,2992,7015,7048,3536,5587,7110,4029,4895,7097,6786,692,3093,5945) MySQL server has gone away
/var/www/meberry/data/www/meberry.ru/mg-core/lib/smalcart.php (line 82)
/var/www/meberry/data/www/meberry.ru/mg-core/lib/mg.php (line 605)
/var/www/meberry/data/www/meberry.ru/mg-core/lib/mg.php (line 1143)
/var/www/meberry/data/www/meberry.ru/mg-core/lib/mg.php (line 1228)
/var/www/meberry/data/www/meberry.ru/mg-core/lib/mg.php (line 1206)
/var/www/meberry/data/www/meberry.ru/mg-core/lib/mg.php (line 752)
/var/www/meberry/data/www/meberry.ru/mg-core/mg-start.php (line 53)
/var/www/meberry/data/www/meberry.ru/index.php (line 80)