Test Connection is Successful with Below Config
Body :
<?xml version="1.0" encoding="UTF-8"?><s:Envelope xmlns:s=“http://www.w3.org/2003/05/soap-envelope” xmlns:a=“http://schemas.xmlsoap.org/ws/2004/08/addressing” xmlns:u=“http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd”>
<s:Header>
<a:Action s:mustUnderstand=“1”>Retrieve</a:Action>
<a:To s:mustUnderstand=“1”>https://{{et_subdomain}}.soap.marketingcloudapis.com/Service.asmx</a:To>
{{dne_etAccessToken}}
</s:Header>
<s:Body xmlns:xsi=“http://www.w3.org/2001/XMLSchema-instance” xmlns:xsd=“XML Schema”>
AccountUser
true // to enable child accounts
ActiveFlag
CreatedDate
isAPIUser
UserID
LastSuccessfulLogin
Name
</s:Body>
</s:Envelope>
But Aggregation Fails with the error
Below is my aggregation operation config