Hi, the issue is only happening with new pages, but it's still happening for me. Additionally, the link you sent me of the x text page didn't work (blank white page), although I can see the test page when I copy and paste the URL. And I can edit it in Cornerstone. But if I try to add a new page and edit it in cornerstone, it just goes back to the text editor. I've tried this in Safari and Chrome, same result.
Also, I've again tried to insert the PHP Max execution time code, but again it broke my site. This was the result:
500 - Internal Server Error
This is a temporary server error.
Please try to reload the webpage later.
If you are the webmaster of this site please log in to Cpanel and check the Error Logs. You will find the exact reason for this error there.
Common reasons for this error are:
Incorrect file/directory permissions: Above 755.
In order files to be processed by the webserver, their permissions have to be equal or below 755. You can update file permissions with a FTP client or through cPanel's File Manager.
Incorrect Apache directives inside .htaccess file.
Make sure you have not specified unsupported directives inside the local .htaccess file. Such include PHP settings and Apache module settings.