For a workaround, use the following steps:
1. Close the ASP.NET solution in Visual Studio.
2. Navigate to the folder containing the Project file of the ASP.NET application.
3. Right click on the Project file of the ASP.NET project (the one with extension (.csproj))
4. Do a Find for "
5. Rename the "
6. Save the file and close it.
Now open the ASP.NET solution again and try to run your app. You'll now be able to run the application without the error quoted above.