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 (7142,4104,6309,5382,5170,7646,4954,4931,2324,474,2514,4926,4150,5518,7550,6667,288,2991,2528,3940,4167,4642,6081,7648,7489,4639,4953,4641,6312,318,5365,2658,5714,765,4958,1066,5167,4297,5297,5283,2395,6051,7636,4153,5234,4927,5370,315,6631,326) 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)