Unable to import items (Product Masters) using AIF Services. Following exception occurs {"Creation has been canceled."}

Unable to import items (Product Masters) using AIF following code and receives following exception occurs {"Creation has been canceled."}

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingTestApplication.WebService;namespaceTestApplication{classProgram{staticvoidMain(string[] args){CreateDistinctProduct();Console.WriteLine("done");Console.ReadLine();}publicstaticvoidCreateDistinctProduct(){var distinctProduct =newAxdEntity_Product_EcoResDistinctProduct(){DisplayProductNumber="Bulb60W",ProductType=AxdEnum_EcoResProductType.Item,SearchName="Bulb60W"};
            distinctProduct.Translation=newAxdEntity_Translation[1];
            distinctProduct.Translation[0]=newAxdEntity_Translation{LanguageId="en-us",Name="Transparent Bulb 60W"};
            distinctProduct.Identifier=newAxdEntity_Identifier[1];
            distinctProduct.Identifier[0]=newAxdEntity_Identifier{ProductNumber="Bulb60W"};
            distinctProduct.StorageDimGroup=newAxdEntity_StorageDimGroup[1];
            distinctProduct.StorageDimGroup[0]=newAxdEntity_StorageDimGroup(){Product="Bulb60W",StorageDimensionGroup="Std-Dim"};
            distinctProduct.TrackingDimGroup=newAxdEntity_TrackingDimGroup[1];
            distinctProduct.TrackingDimGroup[0]=newAxdEntity_TrackingDimGroup(){Product="Bulb60W",TrackingDimensionGroup="Std-Dim"};var axdProduct =newAxdEcoResProduct(){Product=newAxdEntity_Product_EcoResProduct[1]{ distinctProduct }};var callContext =newCallContext(){Company="ceu",Language="en-us"};var service =newEcoResProductServiceClient();try{
                service.create(callContext, axdProduct);}catch(Exception e){Console.WriteLine(e.GetBaseException().ToString());Console.ReadKey();}}}}