Ayuda tengo error en actualizacion

Hola mira tengo instalado el Vbulletin 3.8.5 y estoy tratando de actualizar al VB 4.1.5 pero me lanza este error

Unexpected Text:
<?xml version="1.0" encoding="windows-1252"?>
<?xml version="1.0" encoding="windows-1252"?>
<errors>
<error><![CDATA[<p>Database Error</p>


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' );


Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_general_ci,IMPLICIT) for operation '=']]></error>
<error_html><![CDATA[<p>Database error in vBulletin 3.8.5</p>
<p>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' );<p>
<p>
<strong>MySQL Error</strong> : Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (latin1_general_ci,IMPLICIT) for operation '='<br />
<strong>Error Number</strong> : 1267<br />
<strong>Request Date</strong> : Saturday, November 19th 2011 @ 02:51:27 PM<br />
<strong>Error Date</strong> : Saturday, November 19th 2011 @ 02:51:27 PM<br />
<strong>Script</strong> : http://www.wuevon.com/foro/install/upgrade.php<br />
<strong>Referrer</strong> : http://www.wuevon.com/foro/install/upgrade.php<br />
<strong>Classname</strong> : vB_Database<br />
<strong>MySQL Version</strong> : 5.0.92-community<br />
</p>]]></error_html>
</errors>