Database error in vBulletin 4.0.3:

[LatinoCheats]

Hello, my forum goes pulling me the following error when I try to post something in some area of the forum

Database error in vBulletin 4.0.3:

Invalid SQL:

SELECT data, expires, locktime, serialized
FROM cache
WHERE cacheid = 'vb_types.types';

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Tuesday, June 1st 2010 @ 08:42:20 PM
Error Date : Tuesday, June 1st 2010 @ 08:42:58 PM

[Videx]

"MySQL server has gone away" is a common error on oversold shared servers. If the data in the first three lines changes all the time, then that could be the problem.