Course works correctly in Preview, not in Publish

I've developed a pretest for a course with two introductory slides and then a series of quiz slides.  When I preview the test it works perfectly, but when I publish it and then review it the first two slides work fine but as soon as the program attempts to go to the first quiz slide it reverts back to the first slide.  I've checked the triggers and just don't see why it should be doing this.  I've attached the file to the message.  Please, what am I doing wrong?

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