How to send XML From wM to SAP SYSTEM

HI,
Am new SAP Adapter. we are using wm IS 6.5
SAP adapter is installed and connection and listners are created and succefully enabled. And also we are able recieve IDoc from sapsytem by writing the adapternotification .
My problem is :-

I want to send xml file from IS to sapsystem . Can anybody tell how to proceed for outbound process (IS to sapsytem)
I tried in several ways like
send idoc bye using service (built in service) am getting the below error.
Resetting ART connection to alias “sapConInbound” in partition “DEV&%SAPUSER&%001&%EN”: com.wm.adapter.sap.spi.SAPConnection
An error occurred while attempting to release connection adapterservices:connNode_sapConInbound(5)
Resetting ART connection to alias “sapConInbound” in partition “DEV&%SAPUSER&%001&%EN”: com.wm.adapter.sap.spi.SAPConnection
Resetting ART connection to alias “sapConInbound” in partition “DEV&%SAPUSER&%001&%EN”: com.wm.adapter.sap.spi.SAPConnection
An error occurred while attempting to release connection adapterservices:connNode_sapConInbound(5)
Please help in this regard ASAP …Urgent
Thanks in advance…
Thanks
Vijay

did you convert the XML document to IDOCList?

this is required before the IDOC can be sent to SAP

HTH
Bhavani Shankar