Error:Just-In-Time Debugging whle addind A dataset to the report

Hi..All I'm working with VS Studio .NET 2003.

When I'm tring to add a ADO.NET dataset to my Crystal Reports by going to ADD\REMOVE DATABASE \PROJECT DATA I'm getting the erroR,Just-In_Time Debugging Error saying that 'An exception 'System.NullReferenceException' has occured in DefaultDomain' then it asks to select Possible Debuggers: New instance of Microsoft CLR debugger 2003 and New Instance of Visual Studio .NET 2003.

I HAVE ATTACHED THE SCREEN SHOT OF THE ERROR.PLS HAVE A LOOK OF IT.

Will anybody please please tell me why I'm getting this error and tell me how to solve this.

Thanks in advance,