Ошибка в SQL запросе:
SELECT
CEILING(MAX((p.price_course + p.price_course * (IFNULL(c.rate,0))))) as `max_price`,
FLOOR(MIN((p.price_course + p.price_course * (IFNULL(c.rate,0))))) as min_price
FROM `mg_product` as p
LEFT JOIN `mg_category` as c ON
c.id = p.cat_id WHERE p.activity = 1 AND count != 0 AND 1=1 or FIND_IN_SET(0,p.`inside_cat`) MySQL server has gone away
/var/www/profistroy.su/mg-core/models/catalog.php (line 1366)
/var/www/profistroy.su/mg-core/models/catalog.php (line 89)
/var/www/profistroy.su/mg-core/controllers/catalog.php (line 166)
/var/www/profistroy.su/mg-core/lib/moguta.php (line 0)
/var/www/profistroy.su/mg-core/mg-start.php (line 0)
/var/www/profistroy.su/index.php (line 90)