This is what the header looked like before I tried adding a tags section.
Theme Name: Devine
Theme URI: https://preview.hb-themes.com/?theme=Divine
Description: Responsive Fullscreen WordPress Theme.
Author: ? HB-Themes
Author URI: https://www.hb-themes.com
License: GNU General Public License version 3.0
License URI: https://www.gnu.org/licenses/gpl-3.0.html
Version: 1.1
I tried adding a line that said Tags: and then listing a bunch of things the theme could be tagged as like showed in that example, but when I saved it and zipped it and uploaded it, there was the same error message.
Thanks for that by the way I wasn’t sure if I was adding that line correctly, but I pretty much copied it exactly as in the example, and it still didn’t work.