I have precisely the same problem!
Martin
The home page can be changed and updated but the others can not.
I am not getting this error on my other WP sites.
Is it a database error?
Can you post a link to the page in question?
Have you clicked “View Page” from the admin to see if the URL or Permalink has changed?
Thanks for your interest.
Here is one of the pages affected
http://www.pannage.com/now/pln-sm/
I have checked and repaired the database – and no change.
It seemed to work okay for me. I clicked through a few others with no problems also. The 404 error is happening on the front end of the site, correct?
No, it is not happening at the front end. It is at the point of ‘update’ or ‘preview changes’ where it appears. And, of course, it does not save the changes made to the page.
OK, can you try to Update it or hit “Preview Changes”, then copy the URL that is showing in the address bar at that time and paste it here?
Even when you hit “Preview Post”?
Sorry, with ‘view page’ it shows the page prior to any changes – but with ‘preview changes’ it gives the 404
OK, there are a number of things that can be causing this.
First off, have you recently edited the wp-admin\page.php file at all?
Also, who is your web host? A lot of the time this can be an issue with their security settings (mod_security, specifically).
I would try to add the following info to your .htaccess file at the root of your WordPress install (you’ll need FTP to access it and a text editor like Notepad ++ to edit it).
<IfModule mod_security.c>
SecFilterInheritance Off
</IfModule>
The host is EUKHost.
I have just tried to FTP and been denied access. I had recently exceeded my storage due to a backup plugin and, although I have now cleared it, the access may be limited. I will get on to them.
However, I have been able to add a new page and then edit it!
Excellent. They are known as one of the hosts to cause this exact same issue… I found several previous posts including this one here:
http://wordpress.org/support/topic/clicking-update-page-results-in-a-404?replies=13
Don’t forget to mark the post resolved if it does turn out to be a host issue. Otherwise, let us know and we can continue to research it for you!
For example, the home page of http://www.martinince.eu
No, this is not remotely resolved!
Thanks, Martin
