How To Fix 500 Internal Server Error In WordPress

If you’re running a WordPress website, you may have encountered the 500 Internal Server Error. This error can be frustrating because it doesn’t provide much information about what went wrong. However, don’t worry – there are several steps you can take to fix the issue and get your site back up and running. In this article, we’ll explain what causes the 500 Internal Server Error and provide you with solutions to resolve the issue.

What is the 500 Internal Server Error?

The 500 Internal Server Error is a generic error message that indicates something went wrong on the server-side of your website. This could be due to a variety of issues, such as a plugin conflict, a corrupted .htaccess file, or an issue with the PHP memory limit. When this error occurs, your website will not display properly, and visitors may see a blank white screen or an error message.

What causes the 500 Internal Server Error?

There are several reasons why you might encounter the 500 Internal Server Error on your WordPress site. Some of the most common causes include:

  1. Plugin Conflicts: If you have recently installed or updated a plugin, it could be conflicting with other plugins or your website’s theme, causing the 500 Internal Server Error.
  2. Corrupted .htaccess File: The .htaccess file is an important configuration file that controls how your website behaves. If this file becomes corrupted, it can be the reason for the error.
  3. PHP Memory Limit: If your website is using too much memory, it can cause the 500 Internal Server Error. This often happens when you are running a plugin that requires a lot of memory.
  4. Server Issues: Occasionally, this Error can be caused by issues on your web hosting server. This might be due to a server outage, maintenance, or other technical issues.

How to Fix the 500 Internal Server Error

Now that you know what causes the 500 Internal Server Error, let’s explore some solutions to fix the issue.

1. Deactivate Plugins:

If a plugin is causing the Error, deactivating it should resolve the issue. You can do this by accessing the WordPress dashboard and navigating to the “Plugins” page. From there, you can deactivate individual plugins and test your website to see if the error persists. If the error goes away, you’ve found the culprit. You can then reactivate your plugins one at a time to determine which one was causing the issue.

2. Check The .htaccess File

If the .htaccess file is corrupted, it can cause the Error. You can check the file by accessing your website via FTP and locating the .htaccess file in the root directory. Rename the file to .htaccess.bak, and refresh your website. If the error goes away, it means the original .htaccess file was causing the issue. You can then create a new .htaccess file by going to “Settings” > “Permalinks” in the WordPress dashboard and clicking “Save Changes.”

3. Increase PHP Memory Limit

If your website is using too much memory, it can cause the 500 Internal Server Error. You can increase the PHP memory limit by editing the wp-config.php file. To do this, access the file via FTP and add the following line of code:

define(‘WP_MEMORY_LIMIT’, ‘256M’);

Save the file and refresh your website to see if the error goes away.

4. Contact Your Web Host

If none of the above solutions work, you should contact your web host to investigate the issue. They may be experiencing server issues, or there could be a problem with your hosting account. Your web host should be able to provide you with more information and help you resolve the issue.


In conclusion, the 500 Internal Server Error is a common error that can occur on WordPress websites. It can be caused by a variety of issues, including plugin conflicts, corrupted .htaccess files, PHP memory limits, and server issues. To fix the issue, you can try deactivating plugins, checking the .htaccess file, increasing the PHP memory limit, or contacting your web host. By following these steps, you should be able to resolve this Error and get your website back up and running in no time. Remember to always backup your website before making any changes to avoid any unexpected data loss or other complications.

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