MySQL server has gone away
SELECT p.*,
c.name_ru as categoryName,
c.parent as categoryParent,
aux.aux_page_name_ru,
aux.aux_page_slug,
aux.aux_page_image
FROM SC_products as p
LEFT JOIN SC_categories as c ON p.categoryID = c.categoryID
LEFT JOIN SC_aux_pages as aux ON aux.aux_page_ID =p.auxID AND aux_page_enabled = 1
WHERE p.productID=21905