How to Fix 400 Bad Request Error in Elementor

Do you face an HTTP 400 Bad Request error in Elementor while using the WordPress site?

It is common error occurs on wordpress, to prevent you to access or edit any pages. This error occurs when your browser sent request to server.

It also occurs because of some other issues, like incorrect URL structure, server settings conflicts, or corrupted cookies. If you want to fix it, then you should read this solutions guide.

This guide will tell you about 400 Bad Request errors, their common causes, and the best way to fix them.

Understanding the 400 Bad Request Error in WordPress

A 400 Bad Request error in WordPress is a client-side problem when the server is unable to understand your request sent by the browser. It is because of faulty syntax or URL. The client-side refers to operators that perform on the user device instead of the server. The 400 error is referred to client-side error because it is cause because of a request sent by the client side.

The above images show how does the 400 Bad Request error is display on your web browser.

Common Messages for 400 Bad Request Error in Elementor

Once you understand what the 400 Bad Request error is, now you need to know about common messages or variations, that your receive from server side.

This error message appears in different forms on different browsers, as follows as:

1. 400 Bad Request
2. HTTP Error 400 – Bad Request
3. HTTP Status 400 – Bad Request
4. 400 Bad Request Error
5. Your browser sent a request that this server could not understand.
6. The request hostname is invalid.
7. The server could not understand the request due to invalid syntax.
8. Bad Request – Invalid URL, etc.

These error messages indicate that the request sent by the client (usually from the browser) is invalid or incorrectly formatted, preventing the server from processing it properly. Identifying and resolving the root cause can often fix the issue and allow Elementor to function as expected.

Common Causes of 400 Bad Request Error

The main cause of 400 Bad Request error is when you sent wrong request to server from your browser.

Along with this reason, here are more reasons that cause this error:

• Malformed Syntax: If you sent the wrong formatted request to the server, or there are missing or incorrect parameters in the request, then the server can not process your request and cause this 400 error.
• Large Request Size: If your request is large or you try to upload a big file or sending a lot of parameters to servers, then the server can not handle your request and causes 400 bad request errors.
• Theme or Plugin conflict: A conflict between the theme and plugins is another cause of 400 errors. If your installed theme or plugin is not compatible with Elementor, then it conflicts the settings and leads to this error.
• Server Configuration Issues: If there are errors in query parameters, such as missing parameters or malformed key-value pairs, then the server rejects your request and leads to 400 bad request errors.

Let us move to the next section to know the best solutions to fix the 400 bad request error on Elementor.

How to Fix Server Error 400 Bad Requests

It is important to know the cause and identify the 400 bad request error, to understand the right solution and fix this error.

Here are the effective solutions for you to fix this error:

1. Double-Check the URL for Typos

The common cause of 400 bad request error on elementor is incorrectly formatted or invalid URL. To fix this issue, you should check typos mistakes in your URL. You must ensure that the URL you request on your browser is accurate and properly formatted.

• Check extra spaces or typos in url.
• Remove unwanted characters (e.g., %) and ensure the special characters you use are properly encoded.

For example, a URL with unencoded % character can cause 400 error. So, always cross-check the URL to ensure it’s accurate and well-formatted.

How to Fix Typos in the Requested URL

Here are the easy tips to fix typos in your URL:

1. Remove Extra Spaces: Check that there are no extra spaces in the URL.
2. Fix Invalid Characters: Ensure that there are no special characters like % or other invalid symbols in the URL. If you find it, you should either remove or correctly encode the URLs.
3. Verify the Format: Cross-check the URL against the expected format and correct the typos.

Once you fix these issues, you can check the URL again, and it surely fix the 400 error on the WordPress.

2. Clear Browser Cache

Browser cache store the data temporarily, that sometime cause conflicts between client – server communication. It is another cause of 400 bad request errors.
So, you should clear the cache, refresh the browser, and see if it fix the issue:

Steps to Solve Browser Cache Problems

1. Clear Browser Cache:
   • Open your browser settings.
   • Choose the option to clear cache data.
   • Select to clear cached images and files.
2. Use Keyboard Shortcut:
   • Simply press CTRL (or CMD) + Shift + R to refresh and clear your browser cache.

Clearing cache helps you to avoid conflicts and enhances the performance of your website.

3. Corrupt or Invalid Cookies

Cookies store the data files on your system, and load your website faster by keeping all information. But if your cookies are invalid or corrupted, then it causes various issues, including 400 bad request errors.

How to Fix Corrupt or Invalid Cookies

If you want to fix the corrupt cookies to resolve the 400 bad request error, then here are the steps you should follow:

1. Open Chrome Settings:
   • Tap on three dots in the top right corner and click on Settings.
2. Go to Privacy and Security:
   • Go to the Privacy and Security tab.
3. Clear Browsing Data:
   • Click on Clear browsing data.
   • Tick the box next to Cookies and other site data (untick the other options).
   • Tap on the Delete Data button.

Clearing cookies by following the above steps can resolve this 404 error on your WordPress site.

4. DNS Cache Issue

DNS cache is stored in your system to boost the loading speed of your website. Sometimes, DNS cache issues also cause 400 bad request errors. So, clearing this cache helps you to fix this error.

Steps to Fix DNS Cache Errors

Flush the DNS cache using these commands:

• Windows: Open Command Prompt and type:
  ipconfig /flushdns
• MacOS: Open Terminal and type:
  sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

5. Browser Extensions Conflict

The extensions you download on your browser can also cause the 400 bad request error on elementor sites. It interferes the server-client communication. So, you should fix the browser extension conflicts.

Steps to Resolve Browser Extension Conflicts

You should deactivate all browser extensions and then reload your website. If this error is resolved, then reactivate all extensions and then deactivate extensions one by one to identify which one caused this issue.

In Chrome, go to chrome://extensions/.

6. Large File Size

If you are trying to upload a file on a WordPress site that exceeds to file size limit, then it shows you 400 bad request error.

So, you should reduce the file size to fix this issue.

Pro Tip 💡: If increasing WordPress memory or upload size doesn’t work, update the max_input_vars variable to 5000 in the php.ini file. If you are facing PHP related erros then checkout our guide to Fix PHP Errors in WordPress

FAQs about to Fix 400 Bad Request Error in Elementor

Conclusion: Solving 400 Bad Request Error in Elementor

Even the 400 Bad Request error is frustrating, but you can resolve it by know its causes and follow the above solutions. Whether fixing a typo in URL, disabled the extensions, clear browser cookies, or review server configurations, these steps helps you to get back your website on track and enhances it performance.

Understanding the common causes helps you to resolve this error and prevent it to be occurs again and again. It ensures a reliable and smoother experience for users.