Whoops! It looks like your website is currently password protected.

I have tried this plugin in the past but now it does not work on any of my sites. While editing a page it says,

“Whoops! It looks like your website is currently password protected. The free version of Accessibility Checker can only scan live websites. To scan this website for accessibility problems either remove the password protection or upgrade to pro. Scan results may be stored from a previous scan.”

My sites are NOT password protected.