Facebook Rafflecopter Login Issue - Anyone else?

Since yesterday I cannot enter rafflecopters with FB and when I try to login I get the message below.  I have cleared by cache and browsing history, restarted my machine, popups enabled and logged out and back in to facebook, checked no changes to apps in my facebook settings but no joy.  Not had any issues in the past as FB login would just be automatic.  Anyone else experiencing the same issues or can give me any advice how to fix?

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