Cron Error

I keep on getting this error:

Code:

Database error in vBulletin 4.0.5:
   
  Invalid SQL:
   
                    INSERT INTO cronlog
                          (varname, dateline, description, type)
                    VALUES
                          ('vbseo_sitemap_task',
                          1280247266,
                          'Google Sitemap Created',
                          0);
   
  MySQL Error   : MySQL server has gone away
  Error Number  : 2006
  Request Date  : Wednesday, July 28th 2010 @ 02:14:26 AM
  Error Date    : Wednesday, July 28th 2010 @ 02:16:03 AM
  Script        : http://www.recreationalflying.net/fo...and=1280247260
  Referrer      : Question: Aircraft with six engines?
  IP Address    : xxx.xxx.xxx.xxx
  Username      : Unregistered
  Classname     : vB_Database
  MySQL Version :

I asked my host to up the wait_timeout value which they did from 30 to 120 but still getting the error

120 is still on the low side...

You may also need to trim some fat from your sitemap.
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