'C:\Users\<username>\AppData\Local\Temp\temp.dtproj' cannot be opened because its project type (.dtproj) is not supported by this version of the application. To open it, please use a version that supports this type of project.I suspect a reinstall of SSIS will correct the issue. For the moment I suggest a VM for the CTPs, should have taken my won advice!
Monday, January 3, 2011
If you already have SQL Server 2008 R2/SSIS installed you should not install the current CTP of Danali as BIDS 2008 will become unusable. Anytime you try to create a new project you will receive the following error: