Database Sorun ( 4.0.1 E Yukselttıkten Sonra )

Database error in vBulletin 4.0.1:

Invalid SQL:

(SELECT 'package' AS classtype, package.packageid AS typeid, package.packageid AS packageid,
package.productid AS productid, if(package.productid = 'vbulletin', 1, product.active) AS enabled,
package.class AS class, -1 as isaggregator
FROM package AS package
LEFT JOIN product AS product
ON product.productid = package.productid
WHERE product.active = 1
OR package.productid = 'vbulletin'
)

UNION

(SELECT 'contenttype' AS classtype, contenttypeid AS typeid, contenttype.packageid AS packageid,
1, 1, contenttype.class AS class , contenttype.isaggregator
FROM contenttype AS contenttype
INNER JOIN package AS package ON package.packageid = contenttype.packageid
LEFT JOIN product AS product ON product.productid = package.productid
WHERE product.active = 1
OR package.productid = 'vbulletin' );

MySQL Error : Illegal mix of collations (latin1_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '='
Error Number : 1267
Request Date : Monday, January 18th 2010 @ 01:08:24 PM
Error Date : Monday, January 18th 2010 @ 01:08:24 PM
Script : http://www......./forumdisplay.php?576-Portable-Programlar
Referrer : http://www....../index.php
IP Address :....
Username : ....
Classname : vB_Database
MySQL Version : 5.0.87-community-log