DI Server Update Item Object

Getting an Invalid XML Error when trying to update an Item through DI Server. What is wrong with the following code?

<?xml version="1.0" encoding="UTF-16"?>

http://schemas.xmlsoap.org/soap/envelope/">

<env:Header>

<SessionID>"SESSIONID</SessionID>

</env:Header>

<env:Body>

<dis:UpdateObject >

<BOM>

<BO>

<AdmInfo>

<Object>oItems</Object>

</AdmInfo>

<QueryParams>

<ItemCode>ITEM01</ItemCode>

</QueryParams>

<Items>

<row>

<ItemCode>ITEM01</ItemCode>

<ItemName>Description</ItemName>

</row>

</Items>

</BO>

</BOM>

</dis:UpdateObject >

</env:Body>

</env:Envelope>