Home / Wordpress Problem & Issues / Warning Cannot Modify Header Information – WordPress
Cannot Modify Header Information

Warning Cannot Modify Header Information – WordPress

People around the world who are using wordpress to increase their business, sometimes are facing with problems and they are searching any kind of solution to fix them as soon as possible. WordPress as one of the largest web software where you can create your free blog or website and having a successful business, can crash and is showing some errors that can upset users.

One of the most common errors that are showing on wordpress is Warning: Cannot modify header information. What does this error mean and how can be fixed?

Some users is facing this wordpress error when they will install wordpress, bus some of the users also see when they need to do a configuration on their site after the initial setup. So, first every user of wordpress offers and services need to know that this error – warning: cannot modify header information is actually known as the “whitespace problem”.

For those users of wordpress that do not know how this error message is looks like, usually is like: Warning: Cannot modify header information – headers already sent by (output started at path to file name) in path to wp-includes/pluggable.php on line 180.

However, the line numbers and file names may vary, but this is typical error message that explain this problem on wordpress. Many users are starting to panic when they will read this warning: cannot modify header information wordpress error and they do not know what this actually means and how they can fix it, without damaging their work and future business.

This wordpress error is showing in the situation when many editors are adding additional blanks (spaces) or some empty lines at the end of the file, when they want to edit the file. So, in this situation the error is sent to the browser when the file is loaded with the header of the page and often is causing problems such as login problems. Because of that, many reviews from users of wordpress software showing that this is definitely one of the most common errors in wordpress network.

The most important thing when this wordpress error is showing, is to know how to fix it and do not repeat it in the future. If you want to fix this error, all you have to do is to remove that whitespace from the file when you will edit it. However, is really important to read the error message really carefully, because that message will show you where you need to remove that whitespace. The first thing in the error message is really important when it says “output started at”. So, why this is most important?

This is important because, this is the file that you need to edit and the second part of the error message is just for ignoring and you should not do anything there.

After doing all these, you will fix the problem and in the same time you will learn how to not make this error again.

 




Want to learn more about Wordpress Issues? Sign up for our newsletter

People around the world who are using wordpress to increase their business, sometimes are facing with problems and they are searching any kind of solution to fix them as soon as possible. WordPress as one of the largest web software where you can create your free blog or website and having a successful business, can …

Review Overview

Issue is high
solving type
issue type

Cannot Modify Header Information- Solved

User Rating: 4.75 ( 2 votes)
91

About Vandy

Hello Internet World. I am a Wordpress Developer and always Love to dive in WordPess with themes, plugins and custom coding.

Leave a Reply

Your email address will not be published. Required fields are marked *

*