If you are open up a visual studio solution that contains business intelligence project such as reporting services and you are facing an error:
Make sure the application for the project type (.rptproj) is installed.
Here is a few solution you could try:
1. Check to ensure that you have installed SQL Server component correctly. You can verify if it has been successfully install by following the following steps:
a. Open up Visual Studio 2005.
b. Click on File > New Project ...
c. Under Project Type ensure you have Business Intelligence Projects.
2. If you have issue wth Visual Studio 2003 then try this command:
C:\Program Files\Microsoft Visual Studio .NET 2003\Common7\IDE>devenv /resetskippkgs