OAuthException : An active access token must be used to query information about the current user

Question

I\'m trying to run the sample code for Facebook connect that I downloaded from http://thinkdiff.net/facebook/php-sdk-3-0-graph-api-base-facebook-connect-tutorial/
I get

Answer 1

You must ensure that your access token is active. Or maybe you're in logout condition. Or try to clean the cookies and cache from your browser (ctrl+shift+del)