2006 - MySQL server has gone away

SELECT prices_id, products_id, products_price, typeof_price, customers_id, customers_groups_id, expires_date FROM scot_artykuly__prices WHERE status_flag = 1 AND ( expires_date >= '2026-10-30' OR expires_date = '0000-00-00 00:00:00' ) AND ( products_id = '14947' OR products_groups_id = '2' )

[DB ERROR]

2006 - MySQL server has gone away

select count(*) as total from scot_artykuly__sessions where sesskey = '65bec432f64b2fd813a8568e99bc4107'

[DB ERROR]