Android Facebook SDK Error - Missing Cookie

Ny android application posts messages to the user's Facebook wall. It was working fine before until it randomly stopped working. Looking at the LogCat in Eclipse, I am getting this message:

03-01 12:0开发者_如何学Python2:53.599: DEBUG/Facebook-WebView(15156): Redirect URL: fbconnect://success/?error_code=110&error_msg=Missing+user+cookie+%28to+validate+session+user%29

How can I obtain the cookie? Also, was it there before when the FB stuff was working ?

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Maybe it was this guy :

But probably not. Have a look at this answer

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This probably happens when Facebook logs out, and the cookie is cleared. However you're using the old access token. Which isn't valid. So login again and get a new access token