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      How to Fix the “Upload: Failed to Write File to Disk” Error in WordPress (3 Ways)


      Are you encountering the “Upload: Failed to write file to disk” error message when uploading files in WordPress? Whether you’re trying to add images or videos to your site, this message can be very frustrating, as it prevents you from sharing your amazing visuals with your audience.

      Fortunately, you can troubleshoot this issue by following a few simple steps. In some cases, you’ll just need to contact your web host to get it fixed.

      In this post, we’ll take a closer look at the “Upload: Failed to write file to disk” error and its main causes. We’ll then show you three simple ways to fix this problem. Let’s get started!

      What Causes the “Upload: Failed to Write File to Disk” Error in WordPress

      The “Upload: Failed to Write File to Disk” error message typically comes up when you’re trying to upload media files to your WordPress site. There are a few possible causes, the most common one being incorrect file permissions.

      Every file and folder on your WordPress site comes with a set of permissions. These are controlled by the web server and determine which site users can access and edit your files and folders. Thus, if the permissions are incorrect, you may be unable to perform certain actions on your site, such as uploading images to your media library.

      However, this error could also be caused by other issues, including a full WordPress temporary folder. It’s also possible that you’ve reached the disk space limit provided with your hosting plan.

      Next, we’ll take a closer look at these possible causes. We’ll also walk you through a solution for each scenario.

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      How to Fix the “Upload: Failed to Write File to Disk” Error in WordPress (3 Ways)

      Now, let’s look at three easy ways to fix this disk error in WordPress. As always, we recommend that you perform a backup of your site before proceeding. That way, if something goes wrong, you can restore your site to an earlier version.

      1. Change the File Permissions

      As we mentioned earlier, the “Upload: Failed to write file to disk” error is likely caused by incorrect file permissions. If you want to check these permissions, you can contact your hosting provider and ask them if they can do it for you. Alternatively, you can do this yourself by accessing your site’s root directory.

      First, you’ll need to connect to your site via a Secure File Transfer Protocol (SFTP) client such as FileZilla. You can also access your site’s directory through the file manager in your hosting account.

      If you have a DreamHost account, start by navigating to Websites > Files in the sidebar. Then locate your domain and click on the Manage Files button.

      Accessing your site in DreamHost

      This will take you to the file manager. To access your site’s directory, you can open the folder labeled with your domain name. Inside, locate the wp-content folder and right-click on it.

      Next, select File permissions.

      Locating the wp-content folder in your site’s root directory.

      In the pop-up window, go to the Numeric value field and enter “755” or “750” in the corresponding box. Next, you can select the Recurse into subdirectories and Apply to directories only options and click on OK.

      Changing the file permissions of your subdirectories in FileZilla.

      You have now set the correct file permissions for all subdirectories inside the wp-content folder. This includes the uploads folder, which is where your uploaded media files are stored.

      However, you’ll also need to set the correct permissions for the files within those folders. To do this, you can right-click on the wp-content folder again and select File permissions.

      In the Numeric value field, type in “644”. Then select the Recurse into subdirectories and Apply to files only options, and click on OK.

      Changing the file permissions of your files in FileZilla.

      Don’t worry if you’re still unable to upload files to your site after checking your file permissions. There are a couple of other things you can do to resolve the issue.

      2. Empty the WordPress Temporary Folder

      If changing the file permissions doesn’t solve the problem, you may need to empty your temporary folder. WordPress processes your media uploads in PHP. This means that your images are first saved in a temporary folder on your web server before being transferred to your uploads folder.

      If the temporary folder is full, WordPress won’t be able to write your files to disk until you’ve emptied it. Unfortunately, you cannot access this temporary directory via SFTP.  However, you can simply contact your hosting provider and ask them to empty the folder for you, and then check to see if the error has been resolved. If you have sudo users, you could ask them to clear your temporary folder.

      Alternatively, you can try to resolve this issue by defining a new location for WordPress to store your media (instead of the temporary folder). First, you’ll need to connect to your site via an SFTP client or the file manager. Then locate the wp-config.php file, right-click on it, and select View/Edit.

      Editing the wp-config.php file in FileZilla.

      Next, you’ll need to paste in the following code right before the line that reads “That’s all, stop editing! Happy publishing”:

      define(‘WP_TEMP_DIR’, dirname(__FILE__) . ‘/wp-content/temp/’);

      Save your changes, then navigate to the wp-content folder, open it, and create a new folder inside it called temp.

      Creating a temp folder inside the wp-content folder.

      When you’re done, you can return to your website and try to upload an image. If the file disk error was caused by the temporary folder, the issue should now be resolved.

      3. Upgrade Your Hosting Plan

      The disk error could also be a sign that you’ve outgrown your current hosting plan. For example, if you’ve been adding a lot of content to your site, including media files, new pages, and plugins, you might have used up all the disk space available in your account.

      Your web host may be able to tell you how much disk space you have left. If you’re a DreamHost client, you can check your disk usage by logging into your hosting account and navigating to Billing & Account > Disk Usage in the side menu.

      Checking your disk usage in your DreamHost account.

      If you’ve reached your disk space limit, you might need to upgrade to a more advanced hosting plan. This will give your site more room to grow. We recommend getting in touch with your hosting provider to discuss the possibility of switching to a higher plan.

      Additional WordPress Error Articles

      Do you want to learn how to resolve other technical issues on your site? We’ve put together several tutorials to help you troubleshoot the most common WordPress errors:

      If you’re looking for more information about running a WordPress site, make sure to check out our WordPress Tutorials. This is a collection of guides designed to help you navigate the WordPress dashboard like an expert.

      Take Your WordPress Website to the Next Level

      Whether you need help navigating file permission issues, choosing a web hosting provider, or finding the best plugin, we can help! Subscribe to our monthly digest so you never miss an article.

      Fix the “Upload: Failed to Write File to Disk” Error

      The “Upload: Failed to write file to disk” error message prevents you from uploading files such as images and videos to your WordPress site. Incorrect file permissions on your site normally cause this error. However, you may also be seeing this message because you’ve used all the disk space offered with your hosting plan.

      In this article, we looked at three simple ways to fix this common WordPress error:

      1. Change the file permissions of your WordPress site using an SFTP client like FileZilla.
      2. Empty the WordPress temporary folder by getting in touch with your web host.
      3. Upgrade your hosting plan to access more disk space.

      At DreamHost, we provide 24/7 expert support to help you efficiently resolve technical issues. We also offer reliable managed WordPress hosting solutions to help you grow your business while also making it easy for you to upgrade to an advanced plan as your site grows.



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      Common WordPress Image Upload Issues and How to Fix Them (5 Methods)


      Since about 65% of people are visual learners, images are an important part of any website. And when you’re regularly uploading images for your WordPress website, it’s natural to run into the occasion error message.

      Fortunately, there are ways to diagnose even the vaguest image upload issue. By running through a checklist of common fixes, you should have no problems adding beautiful, eye-catching visuals to your website.

      In this article, we’ll look at why image-related errors can be tricky to diagnose. We’ll then share five solutions to try the next time the WordPress Media Library doesn’t want to cooperate with your creative vision. Let’s get started!

      An Introduction to WordPress Image Errors (And Why They’re a Problem)

      Beautiful, eye-catching images are a crucial part of almost any website. If you’re running an e-commerce store, product images are particularly important for driving sales, as they enable people to see what they’re purchasing. Maybe that explains why on average, images make up almost 17% of a web page’s total weight.

      The WordPress media library upload screen.

      However, uploading images to WordPress isn’t always straightforward. Sometimes, this popular Content Management System (CMS) may display a failure to upload error. These issues are notoriously difficult to diagnose, as they’re triggered by a wide range of factors. That can make it difficult to know where to start to address the problem.

      The good news? We can walk you through the steps we take to take to identify and fix image upload issues in WordPress.

      We’ll Fix Your Image Upload Issue

      Avoid troubleshooting when you sign up for DreamPress. Our friendly WordPress experts are available 24/7 to help solve website problems — big or small.

      Common WordPress Image Upload Errors and How to Fix Them (5 Methods)

      Nothing is more frustrating than having your workflow interrupted by a vague error message. Here are five ways to fix upload errors, so you can get back to adding striking visuals to your website.

      1. Rename, Resize, and Re-Upload the Image

      If you’re only encountering issues with a specific image, you can start by taking a look at the file’s name. If you’re using special characters ($, *, &, #) or accent letters (ñ, á, é), these can cause issues with the WordPress uploader.

      The image may also be too large — both in terms of dimensions and file size. You can change an image’s dimensions using your favorite editing program. If you’re trying to upload a particularly high-resolution graphic, you can reduce the size without impacting the quality using a compression tool such as TinyPNG.

      The TinyPNG plugin upload screen.

      If you regularly encounter issues due to file size, then WordPress’ limit may be set too low. You can raise the limit by adding code to your site’s php.ini file:

      upload_max_filesize = 128M
      
      post_max_size = 128M
      
      max_execution_time = 300

      If your site doesn’t already contain a php.ini file, you can create it inside the PHP folder for the current PHP version your site is running.  Then, simply add the above code at the end of the file.

      2. Increase the Memory Limit

      When you try to upload an image, you may encounter the WordPress HTTP error. This can sometimes be caused by low server resources or unusual traffic. For this reason, it’s always worth waiting a few minutes and then attempting to re-upload the image.

      If the issue doesn’t resolve itself, then you may be exceeding the WordPress memory limit. You can increase the amount of memory that PHP has to use on your server by connecting to your site over SFTP.

      Next, open your wp-config file. You can then add the following, which will increase the limit to 256MB:

      define( 'WP_MEMORY_LIMIT', '256M' );

      If this doesn’t resolve your issue, your problem may be related to threading. WordPress processes images using either the GD Library or Imagick module, depending on which one is available.

      Imagick was designed to use multiple threads in order to accelerate image processing.  However, some shared hosting providers limit Imagick’s ability to use multiple threads, which can result in an HTTP error. You can often resolve this issue by adding the following to your .htaccess file:

      SetEnv MAGICK_THREAD_LIMIT 1.

      3. Deactivate Your Plugins

      Third-party software can sometimes interfere with your image uploads. If you’re using any plugins, it’s always worth deactivating each one in turn and testing to see whether this resolves your image upload issue.

      Deactivating plugins in the WordPress dashboard

      If a plugin is to blame, you can double-check to make sure you’re running the latest version. If you’ve fallen behind on your updates, you may be struggling with a problem that’s already been addressed.

      If you’re running the latest version, we recommend contacting the plugin’s developer to ensure that they’re aware of the issue. This can also be an opportunity to ask whether they plan to solve this problem in their next release. If the plugin is critical to your site and no fix is forthcoming, it may be time to look for an alternative solution.

      4. Clear the Cache

      If you’re using a caching plugin, then clearing the cache may be enough to resolve your image upload errors. It’s important to note, however, that it is incredibly rare for the cache to prevent a file upload, so we’re including this fix out of an abundance of caution.

      If you think that caching could be causing the error, the steps you take will depend on your chosen caching solution. For example, if you’re using the W3 Total Cache plugin, you can clear the cache by selecting Performance > Purge All Caches from the WordPress toolbar.

      Purging all caches in the WordPress dashboard Appearance menu.

      If you’re unsure how to clear the cache in your specific tool, the plugin’s Settings menu is often a good place to start. You can also check the developer’s official documentation for more details.

      5. Try the Browser Uploader

      If you’ve tried all of the above fixes and are still encountering problems, you can use your browser’s built-in file uploader. Unlike WordPress’ image uploader, the browser uploader doesn’t support multiple file selection or drag and drop. However, it can be a useful workaround when you need to upload an image quickly.

      To access the native image uploader, navigate to Media > Add New. You can then select the browser uploader link.

      Selecting the ‘browser uploader’ link in the WordPress native image uploader.

      Next, click on Choose file. This launches the familiar file selection dialog, where you can upload the image as normal. If this workaround succeeds, we recommend trying to upload an image using WordPress’ standard image uploader afterward, to see whether this has resolved your problem.

      Take Your WordPress Site to the Next Level

      Whether you need help tweaking directory permissions, choosing a WordPress theme, or finding the uploads folder, we can help! Subscribe to our monthly email newsletter so you never miss an article.

      Additional WordPress Error Tutorials

      Once you’ve solved your image upload error, the adventure isn’t over. There’s always more to learn about WordPress! We’ve put together several tutorials to help you troubleshoot other common WordPress errors:

      Want more information on managing a WordPress site? Check out our WordPress Tutorials, a collection of guides designed to help you navigate the WordPress dashboard like an expert.

      WordPress Images Made Easy  

      Visuals are crucial for catching (and holding) the visitor’s attention, but image upload errors are frustratingly common. By following some simple steps, we’re confident that you can get your site back on track — even when the error message itself doesn’t provide much information.

      Let’s recap five ways to resolve common WordPress image upload issues:

      1. Rename, resize, and re-upload the image.
      2. Increase the memory limit.
      3. Deactivate your plugins.
      4. Clear the cache.
      5. Try the browser uploader.

      Are you tired of handling WordPress errors with no help? All of our DreamPress hosting packages include 24/7 customer support as a standard option. Regardless of the problem, our expert team will be on hand to help you get back on track!



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