2013 - Lost connection to MySQL server during query

SELECT op.products_id, op.products_quantity FROM orders o, orders_products op, products_to_categories p2c, categories c, products p WHERE op.orders_id = o.orders_id AND TO_DAYS(NOW()) - TO_DAYS(o.date_purchased) <= 360 AND p.products_id = op.products_id AND p.products_status = '1' AND p2c.categories_id = c.categories_id AND c.categories_status = '1' AND p.products_id = p2c.products_id

[XT SQL Error]

2006 - MySQL server has gone away

select count(*) as total from sessions where sesskey = 'lm2f4kqdbv3tpp6jbuhkf358n0'

[XT SQL Error]