Error:406 not acceptable

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I had a similar problem recently with this 406 Not Acceptable error occurring when trying to update permalinks in WordPress. I also had the same problem when submitting any changes to the editor, etc. Google Webmaster tools would yield the same result.

The solution is to disable the mod_security firewall within your .htaccess file.

My fix was to install a plugin called “WP Htaccess Editor” (free WP plugin), then update the .htaccess file to the following, between the “Begin WordPress” and “End WordPress” tags:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

Hope this helps.

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