With the release of WordPress 3.0 came the ability to add “Custom Post Types” to WordPress themes , which is a very valuable tool that I have used in many of the WordPress themes I have created. By now, custom post types have become extremely popular and are used in almost every WordPress theme. But anyone who has worked with custom post types has probably encountered the dreaded 404 Not Found error when trying to access a post from a post type at one point or another. Luckily, there is almost always an easy solution to fix these errors. Below, I have listed some of the most common issues people have with saudi arabia b2b leads
custom post types and the reasons why they might be getting these errors . Hopefully, these will help at least a few people.
Contents hide
1 Check Permalink settings
2 Check for slug conflicts (having a page with the same slug as your post type).
3 Rules for rewriting with automatic flushing (for developers)
3.1 Related publications:
Check your Permalink settings
This is probably one of the most common reasons why people get 404 errors in custom post types, and I've seen it many times. I've seen many ways to fix this issue , such as flushing rewrite rules (which I don't recommend), but the following simple solution has helped me the most:
Solution:
Set a custom permalink structure (eg %postname%).
Click Save
Check if your pages with a single custom post return a 404 error page.
If so, go back and change the permalinks to default and save.
Now try to set custom permalink again and save.
Going back and forth usually helps correct mistakes, and I have had great success with this method.
Now, on some servers, if your permissions are not set correctly, this method may not work and you will have to update your .htaccess file manually. To do this, you will need to log into your site via FTP or SFTP and navigate to your WordPress root directory (the same place where your wp-config.php file and wp-content folder are located) using your browser . Here you should find a .htaccess file that you can edit (if you don’t see it, make sure your FTP program has the option to show hidden files enabled, or if it doesn’t, create it). Now make sure the file contains the core WordPress code as stated in the WordPress documentation, which looks like this:
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
Important: If you are modifying an existing .htaccess file, be sure to first create a backup copy of the file on your computer in case you mess something up.
Check for slug conflicts (having a page with the same slug as your post type).
Another reason for a 404 error can be that you have a main page to display your post type, and it has the same slug as your actual post type. For example, if you have a post type called "portfolio" and you also have a main page called "Portfolio" and they both have the slug "portfolio" (in other words, to access a portfolio post , you would go to site.com/portfolio/sample-post), this creates a conflict that causes a 404 error on posts of your only post type. This is why you often see portfolio posts with the only slug being "projects" or "portfolio-item".
Solution:
]
You can change the page name to be different from the custom post type name.
You can change the slug of your custom post type, which is done by changing the rewrite parameter when registering your custom post type.
Rules for rewriting with automatic flushing (for developers)
Another reason for 404 errors is that when you register a new post type, you need to “flush” the rewrite rules in WordPress. You can do this by going to Settings > Permalinks and clicking the save button (this was discussed in the first section of this post). If you are working on a custom theme or plugin with registered post types, you may want to consider automatically flushing the rewrite rules for the end user when they activate your theme or plugin to prevent any 404 errors. Below is an example of the code you can use:
// Code for themes
add_action( 'after_switch_theme', 'flush_rewrite_rules' );
// Code for plugins
register_deactivation_hook( __FILE__, 'flush_rewrite_rules' );
register_activation_hook( __FILE__, 'myplugin_flush_rewrites' );
function myplugin_flush_rewrites() {
// call your CPT registration function here (it should also be hooked into 'init')
myplugin_custom_post_types_registration();
flush_rewrite_rules();
