Items Working in Program but Not in LMS

1) I've set up a mute/play button in my course and when I preview it everything works correctly; however when I publish it to my LMS (CourseMill) it no longer works.

2) I've set up an activity on one page and the next page (activity feedback) should pull content from the activity and "bullet" it. In preview mode this works correctly but when I publish to my LMS (CourseMill) it no longer works.

Anyone else experience these types of issues, and can provide tips?

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