Dynamics Community Forum Thread Details

eConnect.eConnectException: Sequence contains no elements

I have an application that syncs a document library on Sharepoint with KL using eConnect. Basically on a person approving a document, a work flow gets kicked of, and the workflow sends the invoice to GP2013. Seemingly randomly we are getting this error[1] when eConnectMethods.CreateTransactionEntity is called. After that when eConnectMethods.Dispose is called another error is thrown[2].

The frustrating thing about this error is if we rerun the workflow, it works no problems. Same code and same xml and the error seems to not follow any patterns.

[1]

CreateTransactionEntity eConnectException: Microsoft.Dynamics.GP.eConnect.eConnectException: Sequence contains no elements
   at Microsoft.Dynamics.GP.eConnect.ServiceProxy.CreateTransactionEntity(String connectionString, String xml)
   at Microsoft.Dynamics.GP.eConnect.eConnectMethods.EntityImportImplementation(String connectionString, String sXML, Boolean isTransaction)
   at Microsoft.Dynamics.GP.eConnect.eConnectMethods.CreateTransactionEntity(String connec tionString, String sXML)
   at Mysolution.namespace.SendToGreatPlains.submit(eConnectType eConnType, String dbConn, String& errorMessage)

[2]

System.ServiceModel.CommunicationObjectFaultedException: The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state.
   at System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelFactory.OnClose(TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelFactory.TypedServiceChannelFactory`1.OnClose(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan timeout)
   at System.ServiceModel.ChannelFactory.OnClose(TimeSpan timeout)
   at System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan timeout)
   at Microsoft.Dynamics.GP.eConnect.ServiceProxy.Dispose()
   at Microsoft.Dynamics.GP.eConnect.eConnectMethods.Dispose()
   at Mysolution.namespace.SendToGreatPlains.submit(eConnectTyp e eConnType, String dbConn, String& errorMessage)

I've tried this article's suggestion:

http://support.microsoft.com/kb/2539263

I've also tried many changes in the code.

These are on on good hardware and the network between them is solid.

Any suggestions? Do you need more information?

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