Following Content feature takes you to access denied page in SharePoint online site

Issue Details: 
While trying to activate "Following Content" feature takes you to access denied page in a random SharePoint online site/sub-site.

Steps to repro: 
Go to site setting > Manage Site Features> Following Content > Click on activate > and you get access denied even if you are SCadmin.





Issue Resolution: Account used to create the site/sub-site can only activate this feature.

How to Resolve:

1. Make sure you know who created the site (Simple option > Go to site pages > default page or home page > version history > Version 1.0 modified by or created by

2. Login with that account or ask that user to login

3. Site Setting > Manage Site Features > "Following Content" > Activate.......done :)