Virtual directory does not exist
Problem
You get this error when running your application:
System.ArgumentException: Virtual directory does not exist.
at IronSpeed.Designer.WebServerUtils.IsAspNetIISScriptMapValid(FrameworkVersion version, String virtualDirectory, String dirPath)
This problem usually happens if the web server setting in your application’s Web.config file is incorrect.
Solution
Use the correct web server in your application’s Web.config file.
See Creating a Virtual Directory for Your Application for details on creating a virtual directory.