2 versions of a course, 1 works 1 does not, any ideas?

I have 2 versions of a course module – one public and one for staff. The staff version completes, the public does not. The 2 courses are identical except for some wording, voice overs and the staff version (which completes) has an extra embedded youtube video. The public version was built from a copy of the working staff version (as were the other 2 modules of the course which work fine) We use Learnupon as our LMS, because of this […]