Error in executing Lab-12 avaible on MSDN.

[BizSolutions]

Hi

I am trying to execute the above mentioned lab, during the execution i have
carefully followed all the steps, but still getting the below mentioned
error:
I have looked for the resoltion to this problem, but no success, please if
someone have the proper working solution or any configuration details
regarding this lab, because general disscussion says this lab is not working
and Microsoft will publish the updated version later.

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Error Details
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The following DataObject either cannot be created or cannot be initialized:
GetActivityList
The query cannot be run for the following DataObject: GetActivityList
InfoPath cannot run the specified query.
The SOAP response indicates that an error occurred:

System.Web.Services.Protocols.SoapException: Server was unable to read
request. ---> System.InvalidOperationException: There is an error in XML
document (1, 435). ---> System.FormatException: Guid should contain 32
digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
at System.Guid..ctor(String g)
at System.Xml.XmlConvert.ToGuid(String s)
at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReader1.Read31_GetActivityList()
--- End of inner exception stack trace ---
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader
xmlReader, String encodingStyle)
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader
xmlReader)
at System.Web.Services.Protocols.SoapServerProtocol.ReadParameters()
--- End of inner exception stack trace ---
at System.Web.Services.Protocols.SoapServerProtocol.ReadParameters()
at System.Web.Services.Protocols.WebServiceHandler.Invoke()
at System.Web.Services.Protocols.WebServiceHandler.CoreProcessRequest()