affinitiz/facebook-cf-sdk — Issue #31: OAuthException - Code was invalid or expired.
Author: CFPro
Created: 2011-12-16 17:06:32+00:00
State: open

My token keeps expiring, and I get "OAuthException - Code was invalid or expired."
I found out their are 4 scenarios which cause this condition:

http://developers.facebook.com/blog/post/500/

How can I error check and reacquire a valid token?

TIA