SAGE had technical issues last week preventing the ability to download articles. They recommend clearing your browser cache and all cookies on your browser.
With Edge go to settings - privacy, search, and services - clear browsing data now. Be sure that cookies and browsing data boxes are checked then click on clear now. Then close your browser and go back to the Foundation website.
Another way is to go to cookies and site permissions - manage and delete cookies and site data - see all cookies and site data - remove all.