Eduardo Guilhon on "Error accessing a post, appearing like RSS"

Esmi, I thank you for trying to help ...

In my. Htacces has the following code

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /blog2/
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . index.php [L]
</IfModule>