Score Model only shows colors but not text

[aelalfey]

Dears,

I enabled Score model from "configuration.php" and used it for one of my courses.

As you can see in the picture below it worked but the color doesn't have the text/name along with it.

Current behavior: it shows only colored boxes as in the picture below:

Expected behavior: it shows the colored box with the title/name inside of it as in the picture below: