I am the owner of a site in which I have created sub-pages. I receive an error message with my correct user ID when I try to Edit the pages. I verified, multiple times, I have Full Control permission. I tried using the Designer and Style Resource Readers groups without success. Why is this happening and how can if be fixed?
If the pages reference, even one item from somewhere where you don't have rights you will get access denied.
Run browser tools and start a network trace when you access the page. You should see all the requests being made for the page and resources. Review those and you should be able to see which element is being requested (and from where) that you can not load.
If it is the page library itself - try the following
- Attempt to access the list settings page. It's difficult via the browser as you need the GUID, but opening it up in SharePoint designer should work.
- If inheritance is broken - then change that to inherit site permissions. If it is not - then break it, remove permissions, and then inherit from the site again.
- You may need to have your account removed from the site collection and re-added - before that however I would....
Get more information from the server logs. the ULS logs will have a request for all SharePoint resources as well as any access denied messages and why. Your admins should be able to query and extract all request for your user account.