Resolving the Critical Error in WordPress – Troubleshooting Guide

WordPress is a really good system that helps lots of websites around the world. But sometimes, it can have problems that make your website stop working. It cannot be enjoyable! In this post, we will talk about why these problems happen in WordPress and give you easy instructions to fix them and quickly get your website back online.

Causes of Critical Errors in WordPress

Plugin Incompatibility

One of the most common causes of critical errors is the incompatibility between WordPress core updates and outdated or coded plugins. Still, it can spawn a critical error, If there’s a problem between the main files of WordPress and the plugin’s code. To fix this issue, you can do the following way:

  • Deactivate all plugins: Access your website’s files via FTP or use the File Manager in your hosting control panel. Detect the” plugins” folder and relabel it to an object like”plugins_backup.” This will turn off all plugins at formerly.
  • Reactivate plugins one by one: Log in to your WordPress dashboard and navigate to the “Plugins” section. Activate each plugin one by one and check if the critical error reappears. This way, you can identify the problematic plugin and take appropriate action.

Theme Compatibility

Outdated or incompatible themes can also trigger critical errors like plugins. To troubleshoot this issue, follow these steps:

  • Switch to a default theme: Access your website’s files and navigate to the “themes” folder. Rename your current theme folder, and WordPress will automatically switch to a default theme. Check if the critical error persists. If not, it confirms that the issue lies with your previous theme.
  • Contact the theme developer: Reach out to the developer of your previous theme and inquire about theme compatibility with the latest version of WordPress. They may have an updated version or recommendations to resolve the error.

Also Read How to Fix Internal Server Error in WordPress


Experiencing a critical error in WordPress can be stressful, but with the right troubleshooting steps, you can resolve the issue and get your website back online. By addressing plugin incompatibility and theme compatibility issues, you can eliminate common causes of critical errors. Remember to stay vigilant with regular updates and always maintain backups of your website to minimize any potential disruptions.

Install the solutions mentioned in this guide, and you’ll be well-equipped to efficiently resolve critical errors in WordPress. Don’t let a critical error keep your website down—take action today and ensure a seamless experience for your visitors.

By following this troubleshooting guide, you can confidently resolve critical errors in WordPress and maintain a stable and secure website.

If you need further assistance or the critical error persists, consult a professional WordPress developer or support team for advanced troubleshooting and tailored solutions.


How can I access my website’s files via FTP?

You’ll need an FTP customer similar to FileZilla to pierce your website’s files via FTP( File Transfer Protocol). Install the FTP client, enter your FTP credentials( host, username, password, and port), and connect to your website’s server. Formerly connected, you can navigate the files and make necessary changes. 

Is it necessary to deactivate all plugins at once?

Deactivating all plugins at once helps identify if any plugin is causing the critical error. This method effectively finds the same plugin that’s causing the problem. It helps to cut off the issue and identify the specific plugin responsible for the error.

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