Menu and Popups are opening ReviewLink signin page

I was wondering if there was a glitch in ReviewLink as this just started last week (week of Nov. 9th). In several classes in review, the buttons to either go to a chapter (menu button) or a pop-up window stopped working.

They have worked previously (before last week) and there have not been changes made to those pages, but now the window or page is showing the ReviewLink log-in window....is this happening to anyone else?

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