BizTalk UnexpectedMessageTypeException using SQL Adapter (1)

Exception info:

Microsoft.XLANGs.Core.UnexpectedMessageTypeException: Received unexpected message type '' does not match expected type '[MESSAGE TYPE]'.

   at Microsoft.XLANGs.Core.PortBinding.VerifyMessage(Envelope env, String typeName, Context cxt, OperationInfo op)

   at Microsoft.BizTalk.XLANGs.BTXEngine.BTXPortBinding.VerifyMessage(Envelope env, String typeName, Context cxt, OperationInfo op)

   at Microsoft.BizTalk.XLANGs.BTXEngine.BTXLogicalPortBinding.VerifyMessage(Envelope env, String typeName, Context cxt, OperationInfo op)

   at Microsoft.BizTalk.XLANGs.BTXEngine.BTXPortBase.VerifyTransport(Envelope env, Int32 operationId, Context ctx)

   at Microsoft.XLANGs.Core.Subscription.Receive(Segment s, Context ctx, Envelope& env, Boolean topOnly)

   at Microsoft.XLANGs.Core.PortBase.GetMessageId(Subscription subscription, Segment currentSegment, Context cxt, Envelope& env, CachedObject location)

   at [ORCHESTRATION NAME] (StopConditions stopOn)

   at Microsoft.XLANGs.Core.SegmentScheduler.RunASegment(Segment s, StopConditions stopCond, Exception& exp)

Analysis:

Make sure that the XML send/receive pipelines have been configured for the physical port.