What you could also try to do, is to open the project and then make an empty project as well. Using both project windows, select all events and drag them into the empty project and then try saving the new project. Hope that works!
What you could also try to do, is to open the project and then make an empty project as well. Using both project windows, select all events and drag them into the empty project and then try saving the new project. Hope that works!