problem consuming web service using wcf-basichttp

Hello

I am trying to consume a web service written in vb.net using the wcf-basichttp (I am working with the esb guidance and thats the only adapter for consume web services)

my web service return a 202 accpeted response as its oneway web service

everytime i run my orchstration i keep getting the error:

A message sent to adapter “WCF-BasicHttp” on send port “Orchestrations_1.0.0.0Orchestrations.DynamicOrchOneWay_GenericDynamicPort_0177fe918f6918ee” with URI “http://dev/a/API/Asmx.asmx” is suspended.

Error details: System.ServiceModel.CommunicationException: The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature session shutdown or an internal server error.

Server stack trace:

at System.ServiceModel.AsyncResult.End[TAsyncResult](IAsyncResult result)

at System.ServiceModel.Channels.ServiceChannel.SendAsyncResult.End(SendAsyncResult result)

at System.ServiceModel.Channels.ServiceChannel.EndCall(String action, Object[] outs, IAsyncResult result)

at System.ServiceModel.Channels.ServiceChannel.EndRequest(IAsyncResult result)

Exception rethrown at [0]:

at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)

at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)

at System.ServiceModel.Channels.IRequestChannel.EndRequest(IAsyncResult result)

at Microsoft.BizTalk.Adapter.Wcf.Runtime.WcfClient`2.RequestCallback(IAsyncResult result)

MessageId: {E4E997AB-FDB9-4182-8825-92E900D69EC5}

InstanceID: {88E762D4-3293-4B77-B33D-762440D55015}

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Thanks in advance

I