Once you go visit a Document Library you will see a small STAR ICON in Share and Track Ribbon Group. Clicking on that in case retuned the above error. Another thing that I was trying to System Account so I switched my user on Windows 7.
Seems Like I can not Follow the full Document Library. But once you select a document the ribbon will get enabled and let you follow up.
The document I am following will be visible on my mysite.
