Image Derivatives not being generated

I am running Drupal 8 and Drupal does not generate the derivatives for the image styles.

I can confirm file permissions are not the issue, I’ve even tried setting everything inside sites/default/files/ to 777.

Any other ideas for what I can look at to figure out what’s wrong?

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/22/feed