Is Pressillion right for me?

We offer various WordPress hosting plans based on your needs—site count, storage, and monthly visitors. You can also chat with our team to customize a plan or request a demo.

Can you move my site to your servers?

Absolutely! We offer free WordPress migrations. Sign up and contact our support team to get started.

Will my site perform better on Pressillion?

Most members see significant performance improvements after migrating. Our infrastructure is built for speed and reliability, and our team is here to help you get the most from your site.

Do you offer a demo website with a test URL so I can test performance before going live?

Yes, we provide a staging/test URL for every website so you can test performance before launch.

Can I run WooCommerce on your hosting?

Of course! Our hosting is built to support WooCommerce stores at any scale—even high-traffic ones.

Do you provide free SSL certificates?

Yes. All sites come with free Let's Encrypt SSL automatically installed.

How many websites can be hosted on the same server?

It depends on traffic, site type, and server size. A 1GB server can typically handle 5–6 small sites with around 50K combined page views/month. For WooCommerce, we recommend one site per server.

What payment methods do you support?

We accept Visa, MasterCard, American Express, and PayPal (on request). Contact support for details.

How to Fix Pluggable.php File Errors in WordPress

Encountering a pluggable.php file error in WordPress can be a confusing and frustrating experience. It usually shows up when activating or updating a plugin or theme, or sometimes during routine admin tasks. These errors often prevent your site from functioning properly and can block access to your admin dashboard.

In this guide, we’ll break down what the pluggable.php file does, why these errors occur, and how to resolve them using a clean step-by-step approach that doesn’t involve editing core WordPress files.

📃 Table of Contents

What is pluggable.php?
Common Causes of Pluggable.php Errors
Method 1: Deactivate All Plugins
Method 2: Switch to a Default Theme
Method 3: Review and Clean Up Custom Code
Method 4: Restore or Replace Missing Core Files
FAQ
Sources

🔍 What is pluggable.php?

The pluggable.php file is part of WordPress core, located in the /wp-includes/ directory. It contains a set of functions that developers can override within plugins or themes. These functions deal with tasks like user authentication, cookie handling, and email sending.

Because it loads late in the WordPress boot sequence, it’s possible for theme or plugin developers to redefine any of its functions. However, if done improperly, this results in “Cannot redeclare function” or similar fatal errors.

⚠️ Important: Never directly edit the pluggable.php file. Doing so can break your site and make future WordPress updates more difficult.

⚠️ Common Causes of Pluggable.php Errors

A plugin or theme trying to redefine a function already declared in pluggable.php
Improperly added custom code snippets (often pasted in functions.php)
Corrupted or incomplete WordPress core files
Outdated plugins or themes not compatible with the current WordPress version

🚮 Method 1: Deactivate All Plugins

Most pluggable.php errors stem from plugin conflicts. Start by deactivating all plugins:

Log into your WordPress dashboard.
Go to Plugins → Installed Plugins.
Select all plugins using the checkbox at the top.
Choose Deactivate from the bulk actions dropdown.
Click Apply.

Try reloading your site. If the error disappears, reactivate your plugins one by one until the error returns. This will help you identify the conflicting plugin.

If you can’t access the dashboard, connect via FTP or use your host’s file manager. Navigate to /wp-content/ and rename the /plugins/ folder to something like /plugins-disabled/.

👤 Method 2: Switch to a Default Theme

Sometimes your active theme is the culprit. To test this:

Navigate to Appearance → Themes.
Activate a default WordPress theme like Twenty Twenty-One.

If you can’t log into your site:

Connect via FTP or file manager.
Go to /wp-content/themes/.
Rename your current theme folder (e.g., yourtheme-old).
WordPress will default to the latest available default theme.

✍️ Method 3: Review and Clean Up Custom Code

If you’ve recently added custom code to functions.php, a site-specific plugin, or used a code snippet plugin, errors can occur if the code conflicts with core pluggable functions.

Access your theme files via FTP or cPanel.
Open functions.php and carefully review any recent changes.
Comment out or remove any custom functions that resemble those found in pluggable.php (like wp_mail() or wp_authenticate()).

Avoid wrapping pluggable-like functions without function_exists() checks:

🚄 Method 4: Restore or Replace Missing Core Files

If the error persists, your WordPress installation may be missing or have a corrupted core file.

How to Safely Replace Core Files:

Download the latest version of WordPress from wordpress.org.
Extract the ZIP file.
Upload the /wp-includes/ and /wp-admin/ folders via FTP, overwriting the existing folders on your server.
Do not overwrite wp-content or wp-config.php.

After upload, clear your browser cache and check if the error resolves.

If you’re using Pressillion, you can contact our support team and we’ll restore the correct files for you.

❓ FAQ

Is it safe to edit pluggable.php directly? No. Editing core files is never recommended. Always override pluggable functions using themes or plugins.

Can I fix this error without FTP access? You may be able to use your hosting control panel’s file manager instead, or enable safe mode via a plugin if your admin area is still accessible.

What if my site is completely down? Disable all plugins and switch themes via FTP or contact your host. Pressillion customers can reach out to our support team.