CMS slider change

I am trying to add new content by duplicating the header. But unfortunately i can only see the change on the first one. I got a lot more problems. I need really fast support not even sure how to get that help.

Here is my public share link: [LINK][1]
([how to access public share link][2])

[1] http://](Webflow - Masulabs)
[2]: Share your site and invite collaborators - Webflow University Documentation