How to configure Sharepoint Services Send Port

I need to convert a flat file to XML file and send to SharePoint document library.  When I deposit the flat file, there is error message in event viewer and XML file not created in document library.  Details as follows.

Event Type: Warning
Event Source: BizTalk Server 2006
Event Category: BizTalk Server 2006
Event ID: 5743
Date:  2/17/2009
Time:  12:14:49 PM
User:  N/A
Computer: BIZTALK
Description:
The adapter failed to transmit message going to send port “TestForCrown_ConvertSchema4 Send Port” with URL “wss://biztalk:8080/sites/MOSS/doclib/HRInfoIn”. It will be retransmitted after the retry interval specified for this Send Port. Details:”The Windows SharePoint Services adapter Web service was not found at the specified URL, “http://biztalk/BTSharePointAdapterWS/BTSharePointAdapterWS.asmx“. The Windows SharePoint Services adapter Web service feature is required to be installed and configured on machine biztalk. If the feature has been installed and configured, then verify that Adapter Web Service Port and SharePoint Site URL settings on the BizTalk port are correct.

This error was triggered by the Windows SharePoint Services receive location or send port with URI wss://biztalk:8080/sites/MOSS/doclib/HRInfoIn.

Windows SharePoint Services adapter event ID: 12461″.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

I typed the correct URL for the document library but still it fails to work.  Could anyone help please?