SQL Server not found?

Hello All,
When visiting certain admin pages, i.e.-modules and roles, i'm getting this error..

"
Warning: MySQL server has gone away query: INSERT INTO watchdog (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (1, 'php', '%message in %file on line %line.', 'a:4:{s:6:\"%error\";s:12:\"user warning\";s:8:\"%message\";s:157:\"MySQL server has gone away\nquery: SELECT dst FROM url_alias WHERE src = 'user' AND language IN('en', '') ORDER BY language DESC\";s:5:\"%file\";s:44:\"/home/theherme/public_html/includes/path.inc\";s:5:\"%line\";i:69;}', 3, '', 'http://thehermesherald.com/admin/user/roles', 'http://thehermesherald.com/user', '71.88.196.195', 1261356965) in /home/theherme/public_html/includes/database.mysqli.inc on line 128"

Things seem to be functioning properly, but what is this all about?

Thanks
Devon