Im trying to get my head around this but not having any luck, hopefully you can shed some light on to this for me.
I've copied over various courses within moodle all which are populated with hot potatoes quiz. Everytime a student tries to access the quiz it says its locked. When i login as an admin and look at the course settings inside the Require Password field it puts in - '::character varying
Does anyone know why its doing this? your help will he really appreciated
