Getting Resource URL not set correctly error when it is correct

Wed, Feb 26, 2020

Setting up CiviCRM and getting this warning in the dashboard even though clearly all assets are loading correctly, as you can see the dashboard with CSS and JavaScript working?

• “The Resource URL is not set correctly.” CiviCRM Resource URL

Getting this message when you are sure it’s not right?

Is there any chance your development or test site has simple http authentication or some other protection preventing visitors from happening upon it? That will break this check too!