[BTS] Generate Schema on WCF-SAP Adapter

Throw some error when generate schema by biztalk wcf-sap adapter in VS2010.

Error while retrieving or generating the WSDL. Adapter message: Details: ErrorCode=RFC_EXCEPTION. ErrorGroup=RFC_ERROR_APPLICATION_EXCEPTION. SapErrorMessage=SEGMENT_UNKNOWN.  AdapterErrorMessage=Error returned by RfcCallReceiveEx while calling RFC: IDOCTYPE_READ_COMPLETE..