Visual InterDev

Cannot add the file <name> to your local Web application.

You're trying to add a file to your local Web application, but are unable to do so. The second sentence of this error describes the specific problem, as reported by the Microsoft® FrontPage® Server Extensions. Note that a local Web application is a type of server. This error is usually of the form:

[Server Error:   error text]

For more information, see Managing Web Projects.