I just installed Mono version 2.10.8 and MonoDevelop 2.8.6.5 on a Mac. When I create a new project (File -> New solution -> VBNet -> ASP.NET -> Web Application) it gives me an e
The VB.NET addin in MonoDevelop doesn't support the .NET 4.0 framework. I'm surprised it let you create an invalid project - that seems like a bug. Please file a report at http://bugzilla.xamarin.com.