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Topic-icon Facebook API Error: Invalid OAuth 2.0 Access Token

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Hi Alex,
my site sometimes got the following 2 errors these days:

This one appears after user click "agree" button when register and no new user can be created in Joomla(but the facebook account has added the permission setting). If I enable Require Email Permission option, the problem gone. But I don't want to enable it now.
The email address is not valid (not exact words)

This one appears when some users login. Users can login but give following message. Maybe these users have many facebook account.
Facebook API Error: Invalid OAuth 2.0 Access Token

Please help explain why these message appears=] Thx
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I also got a message in soursecoast site when I finished submit new post
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Support Specialist
15 years 3 months ago #7791 by alzander
That error, unfortunately, is somewhat sporadic and happens on Facebook's end. We haven't determined a good cause or reason for it, and don't know of any way to fix on JFBConnect's side. It's usually very uncommon, and goes away with time (closing/re-opening the browser, cache expiring, etc) and has to do with Facebook's cookie that it stores on your computer and not recognizing it as valid later on.

Please let us know if the issue is persistent or across multiple browsers/users, and we'll look into it further. Sorry for the troubles.
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