2013 Lost connection to MySQL server during query
in:
[select banners_id, banners_title, banners_image, banners_html_text, banners_open_new_windows, banners_url from zazen_banners where status = 1 and banners_group = '' order by rand()]

2006 MySQL server has gone away
in:
[select count(*) as total from zazen_sessions where sesskey = '0rc5k580hultapgao00vl5v9d3']