An item with the same key has already been added.
at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
at DataServicesFramework.HeiserProduct.GetParent(Int32 parentID, SqlConnection conn) in C:\Projects-DevOps\BHC\VSS\BHC.WebFramework.root\DataServicesFramework\ProductLists.cs:line 25184
at DataServicesFramework.HeiserProduct.ProductFromId(Int32 id, SqlConnection conn) in C:\Projects-DevOps\BHC\VSS\BHC.WebFramework.root\DataServicesFramework\ProductLists.cs:line 25153
at Catalog.ProductGalleryView(HeiserProduct lp, SqlConnection conn, SelectedProductView ViewType) in e:\wwwroot\Heiser2015\Catalog.aspx.cs:line 611
at Catalog.FillGalleryView(HeiserProduct lp, SqlConnection conn) in e:\wwwroot\Heiser2015\Catalog.aspx.cs:line 403