If you're getting a NotImplementedException, and running v4.1.0 to 4.1.3 you're probably running into a problem registering your database provider.
I recommend using v4.1.4 or later and making sure you register the provider for your database.
See
https://github.com/jonwagner/Insight.Database/wiki/Installing-Insight
If you have any more problems, you can post an issue on github.