Visual Studion won't load the app

I have just started getting an error message in the browser when i run the app from VS. This is didn't used to happen.

HTTP Error 403.14 - Forbidden

The Web server is configured to not list the contents of this directory.

Please can anyone advise.

thanks

John

I don't think this issue is related to Radzen. I recommend reverting to a working version of your application from source control and comparing what has changed.