Ecto Stuck Retrieving Categories

I have a blog gusleig.com after I upgraded to wordpress 2.1 ecto stop working, it says “retrieving categories” forever and stucks.
Can you help me fix this?

Request with URL:
https://www.gusleig.com/sos/xmlrpc.php
and data:
<?xml version=”1.0″ encoding=”UTF-8″?>
<methodCall>
<methodName>mt.getPostCategories</methodName>
<params>
<param>
<value><string>238</string></value>
</param>
<param>
<value><string>admin</string></value>
</param>
<param>
<value><string>******</string></value>
</param>
</params>
</methodCall>

Response:
<?xml version=”1.0″?>
<methodResponse>
<params>
<param>
<value>
<data>
<value><struct>
<member><name>categoryName</name><value><string>Foto</string></value></member>
<member><name>categoryId</name><value><int>7</int></value></member>
<member><name>isPrimary</name><value><boolean>1</boolean></value></member>
</struct></value>
<value><struct>
<member><name>categoryName</name><value><string>Downloads</string></value></member>
<member><name>categoryId</name><value><int>12</int></value></member>
<member><name>isPrimary</name><value><boolean>0</boolean></value></member>
</struct></value>
</data>
</value>
</param>
</params>
</methodResponse>