Error building site: failed to render pages: render of "page" failed: "/home/runner/work/rladies.github.io/rladies.github.io/themes/hugo-rladies/layouts/rladies-blogs/single.html:30:29": execute of template failed: template: rladies-blogs/single.html:30:29: executing "main" at <$img.Fill>: error calling Fill: this method is only available for image resources

Process completed with exit code 255.