Does anyone recognize this error?

[okhissabigfish]

This was emailed to me this morning from my forum?

Database error in vBulletin 3.7.2:

Invalid SQL:

SELECT *
FROM session
WHERE sessionhash = '5a522151a2c7530bf6759f40cfa6028f'
AND lastactivity > 1215788566
AND idhash = 'cecac4bc4acd0a9b434f68b65fcb6ce0';

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Friday, July 11th 2008 @ 08:17:46 AM
Error Date : Friday, July 11th 2008 @ 08:24:00 AM
Script : http://www.forumsouth.com/arcade.php...=play&gameid=7
Referrer : http://www.forumsouth.com/arcade.php?&act=Arcade
IP Address : 66.175.149.108
Username :
Classname : vb_database
MySQL Version :