Database error when i try to upgrade from vb 3.8.7 to vb 5
 

hello
this is the error message

Code:
Unexpected Text:



Database error in vBulletin 4.2.1 Alpha 1:


[Showing truncated query, original length: 949]
[First 100 chars]
Invalid SQL:
(SELECT 'package' AS classtype, package.packageid AS typeid, package.packageid AS pack
[Last 100 chars]
productid
WHERE product.active = 1
OR package.productid = 'vbulletin')

/**getContentTypes**/;

MySQL Error : Illegal mix of collations (latin1_general_ci,IMPLICIT) and (latin1_swedish_ci,IMPLICIT) for operation '='
Error Number : 1267
Request Date : Thursday, November 29th 2012 @ 04:59:28 PM
Error Date : Thursday, November 29th 2012 @ 04:59:28 PM
Script : http:///vb5/core/install/upgrade.php
Referrer : http://simosat2020.com/vb5/core/install/upgrade.php
IP Address : 41.141.104.252
Username :
Classname : vB_Database
MySQL Version : 5.1.65-cll
how to solve this problem