For some reason I have been getting kicked out of editing pages that I have full permission to edit. When I open the edit screen an error message saying "We can't show this page: The permissions for this page were changed. Contact an admin for help." I contacted my admin and he said there was no reason that he could tell that I shouldn't be able to edit the page. I tried logging in again in an incognito window and it did not work.
First it started with one page, but now it just happened with a second.