[BTS] RFC IDOC_INBOUND_ASYNCHRONOUS

Error Message:

Log Name:      Application
Source:        BizTalk Server
Date:          9/10/2013 3:56:07 PM
Event ID:      5740
Task Category: BizTalk Server
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      CN-S-BIZTALK.cn.CDD.com
Description:
The adapter "WCF-Custom" raised an error message. Details "Microsoft.ServiceModel.Channels.Common.MetadataException: RFC IDOC_INBOUND_ASYNCHRONOUS????? could not be resolved against SAP system because its metadata could not be obtained. ---> Microsoft.Adapters.SAP.RFCException: Details: ErrorCode=RFC_EXCEPTION. ErrorGroup=RFC_ERROR_APPLICATION_EXCEPTION. SapErrorMessage=FU_NOT_FOUND.  AdapterErrorMessage=An error occurred while determining the function interface of the RFC IDOC_INBOUND_ASYNCHRONOUS?????.
   at Microsoft.Adapters.SAP.RFCException.HelperThrow(Int32 retCode, String additionalErrorMessage)
   at Microsoft.Adapters.SAP.RfcClientConnection.GetRfcFunctionInterface(String rfcName)
   at Microsoft.Adapters.SAP.InternalRfcMetadata..ctor(String originalRfcName, SAPConnection sapConnection)
   at Microsoft.Adapters.SAP.SAPMetadataContract.ResolveOperationMetadata(String operationId, TimeSpan timeout, TypeMetadataCollection& extraTypeMetadataResolved)
   at Microsoft.ServiceModel.Channels.Common.Design.MetadataCache.GetOperationMetadata(String uniqueId, Guid clientId, TimeSpan timeout)
   at Microsoft.Adapters.SAP.SapFunctionMetadata.ResolveOperationMetadataUsingSdk(String absoluteName, String displayName, String funcName, String operationNamespace, SAPConnection sapConnection, Boolean isTrfc, MetadataLookup metadataLookup, TimeoutHelper timeoutHelper)
   --- End of inner exception stack trace ---
   at Microsoft.ServiceModel.Channels.Common.Design.AdapterAsyncResult.End()
   at Microsoft.ServiceModel.Channels.Common.Channels.AdapterReplyChannel.EndTryReceiveRequest(IAsyncResult result, RequestContext& requestContext)
   at Microsoft.Adapters.Internal.LayeredChannelBindingElement.LayeredInboundChannel`1.System.ServiceModel.Channels.IReplyChannel.EndTryReceiveRequest(IAsyncResult result, RequestContext& context)
   at System.ServiceModel.Dispatcher.ReplyChannelBinder.EndTryReceive(IAsyncResult result, RequestContext& requestContext)
   at System.ServiceModel.Dispatcher.ErrorHandlingReceiver.EndTryReceive(IAsyncResult result, RequestContext& requestContext)".
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="BizTalk Server" />
    <EventID Qualifiers="32960">5740</EventID>
    <Level>3</Level>
    <Task>1</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-09-10T07:56:07.000000000Z" />
    <EventRecordID>867852</EventRecordID>
    <Channel>Application</Channel>
    <Computer>CN-S-VQBTS01.cn.CDD.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>WCF-Custom</Data>
    <Data>Microsoft.ServiceModel.Channels.Common.MetadataException: RFC IDOC_INBOUND_ASYNCHRONOUS????? could not be resolved against SAP system because its metadata could not be obtained. ---&gt; Microsoft.Adapters.SAP.RFCException: Details: ErrorCode=RFC_EXCEPTION. ErrorGroup=RFC_ERROR_APPLICATION_EXCEPTION. SapErrorMessage=FU_NOT_FOUND.  AdapterErrorMessage=An error occurred while determining the function interface of the RFC IDOC_INBOUND_ASYNCHRONOUS?????.
   at Microsoft.Adapters.SAP.RFCException.HelperThrow(Int32 retCode, String additionalErrorMessage)
   at Microsoft.Adapters.SAP.RfcClientConnection.GetRfcFunctionInterface(String rfcName)
   at Microsoft.Adapters.SAP.InternalRfcMetadata..ctor(String originalRfcName, SAPConnection sapConnection)
   at Microsoft.Adapters.SAP.SAPMetadataContract.ResolveOperationMetadata(String operationId, TimeSpan timeout, TypeMetadataCollection&amp; extraTypeMetadataResolved)
   at Microsoft.ServiceModel.Channels.Common.Design.MetadataCache.GetOperationMetadata(String uniqueId, Guid clientId, TimeSpan timeout)
   at Microsoft.Adapters.SAP.SapFunctionMetadata.ResolveOperationMetadataUsingSdk(String absoluteName, String displayName, String funcName, String operationNamespace, SAPConnection sapConnection, Boolean isTrfc, MetadataLookup metadataLookup, TimeoutHelper timeoutHelper)
   --- End of inner exception stack trace ---
   at Microsoft.ServiceModel.Channels.Common.Design.AdapterAsyncResult.End()
   at Microsoft.ServiceModel.Channels.Common.Channels.AdapterReplyChannel.EndTryReceiveRequest(IAsyncResult result, RequestContext&amp; requestContext)
   at Microsoft.Adapters.Internal.LayeredChannelBindingElement.LayeredInboundChannel`1.System.ServiceModel.Channels.IReplyChannel.EndTryReceiveRequest(IAsyncResult result, RequestContext&amp; context)
   at System.ServiceModel.Dispatcher.ReplyChannelBinder.EndTryReceive(IAsyncResult result, RequestContext&amp; requestContext)
   at System.ServiceModel.Dispatcher.ErrorHandlingReceiver.EndTryReceive(IAsyncResult result, RequestContext&amp; requestContext)</Data>
  </EventData>
</Event>

Solution: Use sm59 to check the ProgramID, MessageType, Channel, Unicode, Partner was right.

SAP Consultant alwasy forget set Unicode, please check SM59 (SAP T-Code)， in the unicode section please set "Unicode" to check. Don't use No-Unicode.