I'am try to setup demo version of Cute Web Messenger. I do all step in help file "Example: Provider for DotNetNuke 3.X (VB)" and "General Installation Instructions" topics. but when I run the my project in my overided class "DotNetNukeConnectionStringProvider" throw exception like "Object reference not set to an instance of an object." at this line "Dim p As DotNetNuke.Framework.Providers.Provider = pc.Providers(pc.DefaultProvider)"

Please answer to me how can How can I integrate CuteChat with my existing project step by step

Thanks