Add link to Facebook?

I am now receiving this error msg the last five consecutive posts on my dashboard. What does it mean and what do I need to do please?

“Add Link to Facebook – Spooky Cheesy Fingers: Get me: Facebook error: Error validating access token: Session has expired at unix time 1348848483. The current unix time is 1350069986. @ 2012-10-12T19:26:26+00:00”