2013 - Lost connection to MySQL server during query

select m.manufacturers_id, m.manufacturers_name, m.manufacturers_image, mi.manufacturers_url from manufacturers m left join manufacturers_info mi on (m.manufacturers_id = mi.manufacturers_id and mi.languages_id = '2'), products p where p.products_id = '267' and p.manufacturers_id = m.manufacturers_id

[XT SQL Error]

2006 - MySQL server has gone away

select count(*) as total from sessions where sesskey = 'jtd5d9uqkt1ih9vrc636cn6232'

[XT SQL Error]