How to Resolve Fatal Error: Uncaught Error: Call to Undefined Function get_header (Divi)

How to Fix the Fatal Error: Uncaught Error: Call to Undefined Function get_header in Divi Theme

If you've encountered the error Fatal Error: Uncaught Error: Call to Undefined Function get_header while using the Divi theme in WordPress, there's no need to worry. In this article, we will explain how to resolve this issue that can be frustrating when managing your site.

What is the Fatal Error: Uncaught Error: Call to Undefined Function get_header?

This error usually occurs when the get_header function cannot be found in the WordPress theme files, causing the page to stop loading or displaying an error message on your site. The get_header function is one of the core functions in WordPress, used to call the header of the page from the theme.

Possible Causes of This Error

• Issue with functions.php file: There may be an error in the code within the functions.php file of the theme.
• Outdated theme: Your Divi theme may be outdated and needs to be updated to resolve the issue.
• Plugin conflict: This problem can occur due to a conflict between the plugins installed on your site.
• Issue with theme files: Some essential files may be missing or corrupted in the Divi theme.

Steps to Fix the Issue

1. Ensure Divi Theme is Updated

Start by updating the Divi theme to the latest version through the WordPress dashboard. Updating can help resolve many coding errors.

2. Check for the header.php file

Ensure that the header.php file is present in the theme folder. Accidentally deleting this file can lead to this error. If it's missing, re-upload it from the original theme copy.

3. Disable Plugins

Turn off all the plugins on your site one by one to check for conflicts. After disabling, see if the issue is resolved.

4. Review functions.php file

If you've added any custom code to the functions.php file in the theme, review it and ensure there are no errors or conflicts in the code.

5. Reinstall the Theme

If none of the previous steps worked, you may try completely reinstalling the Divi theme. Files may have become corrupted during the previous installation or update.

Conclusion

Although the Fatal Error: Uncaught Error: Call to Undefined Function get_header may seem complex, simple solutions such as updating the theme, checking for missing or corrupted files, and disabling plugins can help resolve the issue quickly.