error when testing "create account" page

hi, I am following instruction of a membership video, I have this code for "create user wizard":
    <asp:CreateUserWizard ID="CreateUserWizard1" runat="server" ActiveStepIndex="1">
        <WizardSteps>
            <asp:CreateUserWizardStep runat="server">
            </asp:CreateUserWizardStep>
            <asp:WizardStep runat="server" Title="Choose your role" OnActivate="ActivateStep" OnDeactivate="DeactivateStep">
                Select a role:<br />
                <br />
       &n ...