CRM 2011, вопрос по плагину

[mistah]

a33ik, он, видимо, теперь считает, что я пытаюсь создать еще один Заказ:

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: Cannot insert duplicate key.Detail: 
<OrganizationServiceFault xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/xrm/2011/Contracts">
  <ErrorCode>-2147220937</ErrorCode>
  <ErrorDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" />
  <Message>Cannot insert duplicate key.</Message>
  <Timestamp>2012-03-28T07:23:18.3667022Z</Timestamp>
  <InnerFault i:nil="true" />
  <TraceText>
[ClassLibrary7: CreateSalesOrder.Order]
[64e3abde-0978-e111-af6d-000c29c05d09: CreateSalesOrder.Order: Update of new_zayavka]
Order: System.ServiceModel.FaultException`1[Microsoft.Xrm.Sdk.OrganizationServiceFault]: Cannot insert duplicate key. (     Microsoft.Xrm.Sdk.OrganizationServiceFault).
</TraceText>
</OrganizationServiceFault>

                    IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                    IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
                    service.Create(salesorder);

                                           
                    Guid id_1 = service.Create(salesorder);
                                        
                    Entity salesorderdetail = new Entity("salesorderdetail");
                  
                    salesorderdetail["new_orda"] = new EntityReference("salesorder", id_1);
                    salesorderdetail["salesorderid"] = id_1;
                    Entity product = new Entity("product");
                    Entity uom = new Entity("uom");
                    salesorderdetail["productid"] = new EntityReference(product.LogicalName, new Guid("AC341411-4347-E111-9250-000C29C05D09"));
                    salesorderdetail["uomid"] = new EntityReference(uom.LogicalName, new Guid("5D15C954-A08E-DB11-934C-000E0C6AB271"));

                    IOrganizationServiceFactory serviceFactory1 = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
                    IOrganizationService service1 = serviceFactory1.CreateOrganizationService(context.UserId);
                    service1.Create(salesorderdetail);