Hi all,

I Upgrade DNN 07.03.04 to 07.04.00. But its show error :

The name PortalSettingsController does not exist in the current context

Line 199: {
Line 200: //Configure the ActiveTab with Skin/Container information
Line 201: PortalSettingsController.Instance().ConfigureActiveTab(PortalSettings);
Line 202:
Line 203: //redirect to a specific tab based on name

please help me what i do. I also I should have used 

using DotNetNuke.Entities.Portals;

but still not work. please help me. Thanks in advance.