First create solution

Nuvolar.Module.Web/WebModule.vb

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+Imports System
+Imports System.Text
+Imports System.Collections.Generic
+Imports System.ComponentModel
+
+Imports DevExpress.ExpressApp
+Imports DevExpress.ExpressApp.Model
+
+<ToolboxItemFilter("Xaf.Platform.Web")>
+Partial Public NotInheritable Class [NuvolarAspNetModule]
+    Inherits ModuleBase
+    Public Sub New()
+        InitializeComponent()
+    End Sub
+    Public Overrides Sub ExtendModelInterfaces(extenders As ModelInterfaceExtenders)
+        MyBase.ExtendModelInterfaces(extenders)
+
+    End Sub
+End Class
+