2013 - Lost connection to MySQL server during query

select count(*) as count from whos_online where session_id = '21g23va196t2cu7vb77on2b4v5'

[TEP STOP]

2006 - MySQL server has gone away

select count(*) as total from sessions where sesskey = '21g23va196t2cu7vb77on2b4v5'

[TEP STOP]