2013 Lost connection to MySQL server during query
in:
[select count(*) as count from zazen_whos_online where session_id = 'j6rvsne7gks13evvsvbugfts91' and ip_address='216.73.216.5']

2006 MySQL server has gone away
in:
[select count(*) as total from zazen_sessions where sesskey = 'j6rvsne7gks13evvsvbugfts91']