The project could not be loaded, it may be damaged or contain outdated elements.

Try creating a new project from scratch, and importing your old project into the new one.

Please tell us your system specs: OS version, Premiere version, amount of RAM, Hardware specs including graphics card.

you might try moving all the media offline before attempting to launch the project.   If it loads, then you can relink the media.   If you'd like to email me the project, I'll see if I can open it and then do a save as and send it back to you.  Just let me know and I'll send you a private message with my email.    

Surely you have backups galore over 8 months time?

Is there an error message when you say 'nothing opens'. Does the project open and appear to be empty, or it doesn't load and there is some error message?

Deleting prefs and clearing the media cache could be useful.

• Start PP from it's normal desktop icon (IE: don't open from a project file link).
• Close the Open/Home screen (and you will be in PP without a project open).
• Go into Edit/Preferences/Media Cache (Mac users adjust menu name)
• Then Press: Remove Media Cache Files: and Delete...
• Select: Delete all media cache files from the system and OK
• Close PP - It will create any needed cache files on the fly as you edit.