Cant Load Editor / Section Cant Be Edited / Editor Redirecting
The number one cause of editor issues is a script running inside the page you are trying to edit which is stopping the editor from running.
To resolve that you can load the page without scripts being ran. To do this take your editor url:
&safemode to the end
Your page will look unfamiliar, but all elements will be there and can be edited without any script being fired.