3 Proven Strategies to Resolve A WordPress Fatal Error

WordPress Fatal Error

What to do if your site is showing the Dreaded WordPress Fatal Error

Oh no, it happened didn’t it? Let me guess…You tried updating your WordPress site and then found yourself on a white page with the words WordPress fatal error after update on it, and don’t know how to resolve it. Relax, you’re not alone – we’ve all been there! The WordPress fatal error, as cryptic as it may be, is a common problem that every owner of a WordPress site will come across at some point in time, and if you’re reading this, my guess is that today is that day! The good news is, it can be fixed!

In this article, we will discuss three proven strategies to resolve the mysterious WordPress fatal error.

Here are some of the errors that you might be seeing, each should have some kind of wording to help you troubleshoot why you might be seeing a fatal error:

  • WordPress fatal error cannot login
  • WordPress fatal error email
  • WordPress fatal error: uncaught error
  • WooCommerce fatal error

Strategy 1: Increase PHP Memory Limit

Resolve a WordPress Fatal Error by updating your PHP Memory Limit

The first strategy to resolve the WordPress fatal error is to increase the PHP memory limit. WordPress uses PHP as its programming language, and the PHP memory limit is set by your web hosting provider. If your website is receiving a high volume of traffic, it may consume more memory than the PHP memory limit, causing the fatal error to occur. To resolve this issue, you can increase the PHP memory limit.

To increase the PHP memory limit, you need to access your website’s wp-config.php file. You can do this using an FTP client or file manager in your web hosting account. Once you have accessed the file, add the following code to it:

define('WP_MEMORY_LIMIT', '256M');

Replace ‘256M’ with the desired memory limit. Save the changes to the file and upload it back to your website. This should resolve the fatal error caused by insufficient PHP memory.

Strategy 2: Deactivate Plugins

Deactivate WordPress Plugins

The second strategy to resolve the WordPress fatal error is to deactivate plugins. Plugins can sometimes cause conflicts with the core WordPress files, resulting in the fatal error. To resolve this issue, you need to deactivate all plugins on your website and activate them one by one to identify the plugin that is causing the conflict.

To deactivate plugins, access your website’s file manager or FTP client. Navigate to the ‘wp-content/plugins’ folder and rename the ‘plugins’ folder to something like ‘plugins-pause.’ This will deactivate or “pause” all plugins on your website.

Once you have deactivated all plugins, access your website’s WordPress dashboard. If the fatal error has been resolved, you can start reactivating the plugins one by one to identify the plugin causing the conflict. Once you have identified the plugin, you can either find an alternative plugin or contact the plugin developer for support.

This video from Suraj Radhakrishnan does a great job at showing you how to resolve your fatal error using this strategy:

Strategy 3: Re-upload Core Files

Re-upload core files

The third strategy to resolve the WordPress fatal error is to re-upload the core files. Sometimes, the fatal error can be caused by corrupted or outdated core WordPress files. Re-uploading the core files can resolve this issue.

To re-upload the core files, you need to download the latest version of WordPress from the official WordPress website. Extract the files and upload them to your website using an FTP client or file manager in your web hosting account. Replace the old files with the new ones, but make sure to back up your website before proceeding.

When re-uploading the core files, it’s important to not overwrite the wp-config.php file or the ‘wp-content’ folder. These files contain important information and customization for your website, and overwriting them could result in data loss.

In conclusion, the WordPress fatal error can be a frustrating issue, but it can be resolved using the three strategies discussed in this article. Whether it’s increasing the PHP memory limit, deactivating plugins, or re-uploading the core files, you can get your website back up and running in no time.

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