Database error in vBulletin 3.8.2:

Invalid SQL:

CREATE TABLE IF NOT EXISTS taggregate_temp_1243472160 (
threadid INT UNSIGNED NOT NULL DEFAULT '0',
views INT UNSIGNED NOT NULL DEFAULT '0',
KEY threadid (threadid)
) ENGINE = MEMORY;

MySQL Error : Lost connection to MySQL server during query
Error Number : 2013
Request Date : Wednesday, May 27th 2009 @ 11:31:20 PM
Error Date : Wednesday, May 27th 2009 @ 11:31:24 PM
Script : http://www.tn-soft.com/vb/cron.php?rand=1243481476
Referrer : http://www.tn-soft.com/vb/forumdisplay.php?f=29
IP Address : 188.52.120.252
Username : غير مسجل
Classname : vB_Database
MySQL Version :