Written by Admin on 2025-05-06

Solving "WordPress column 'referrer' cannot be null" Error

If you receive a message along the lines of "WordPress column 'referrer' cannot be null" when trying to post or edit a page or post in WordPress, don't panic! Though the error can be frustrating, fixing it is usually a quick and easy process.

What causes the error?

This error generally occurs when the WordPress installation can't correctly process referrer data. This data tells WordPress where users are coming from when they interact with your site.

How to fix it?

First, make sure that your WordPress installation is up-to-date, and that you've updated any relevant plugins or themes. In many cases, this can resolve the issue.

If that doesn't work, your next step should be to look for any problematic code in your website that may be interfering with the referrer data. This code could be anything from a poorly configured plugin to a snippet of third-party code inserted into your site.

You may also want to check any custom post types or fields that you have added to your site, as issues with these can sometimes cause the "WordPress column 'referrer' cannot be null" error.

If you still can't identify the root cause of the problem, you may need to consult with a WordPress developer or support team. They can help you to diagnose and resolve the issue more efficiently.

Conclusion

Dealing with the "WordPress column 'referrer' cannot be null" error can be frustrating, but there are plenty of solutions available to help you get your site back up and running. By following the steps outlined above, you should be able to identify and fix the problem quickly and easily.