This sounds like MDL-66071 which should be fixed in the Moodle 3.6.5+ weekly release issued 12 days ago.
If your Moodle site is older than this update it to the latest weekly release. (There is a workaround if you can't do this for some reason).
This sounds like MDL-66071 which should be fixed in the Moodle 3.6.5+ weekly release issued 12 days ago.
If your Moodle site is older than this update it to the latest weekly release. (There is a workaround if you can't do this for some reason).