1. open that section with 4 tabs. Go to the first tab and save (and check in, if thats enabled). It should land up on the first tab when u execute the flow
2. Make sure to make changes to the actual section containing 4 sections. Check if you got a section within the section containing those 4 tabs. Sometimes when you have another section, you may think that the edits are getting saved, but it doesn't.
3. Clear your browser cache. Sometimes that plays a role