507 insufficient storage error occurs in WordPress when two authors try to post or update different articles at the same time.

Here at Bobcares, we have seen several such WordPress errors as part of our Server Management Services for web hosts, WordPress users, and online service providers.

Today we’ll take a look at the cause for this error and see how to fix it.

What causes 507 insufficient storage error WordPress to occur

The 507 (Insufficient Storage) is a status code that lets HTTP server to tell a client that their PUT or POST operation was unsuccessful, maybe because it’s too large to fit on a disk.

It is specifically a server-side error.

Generally, this error occurs due to a shortage of resources. However, there are also different reasons for this error to occurs. Now let’s discuss the different reasons for this error to occur.

• Shortage of disk space of the account/server.
• /tmp directory might be running out of space.
• RAM limitations may also cause this error to occur. This means the physical memory of the server is exhausting.
• The content of the website may also be a reason for this error to occur. It can occur due to PHP processes that can’t be ended easily( like zombie processes).
• The error can also occur due to the entry process limit in Cloudlinux.
• An increase in Input/Output usage resources value causes this error as well. The Input/Output usage resources value is the amount that is read and/or written on the server’s Hard Disk Drive. Usually, this value increases when we make changes to the website, upload media, create new content, or having a high number of visitors.

For instance, the error appears as shown below.

How we fix 507 insufficient storage error in WordPress

Here are the few suggestions that our Support Engineers provide to our customers to overcome this error.

1. Upgrade the hosting package and add some storage resources to the webserver.
2. Try reducing the number of posts and contents on the website, so that it reduces the disk space.
3. Increase the memory limit of the website.
4. Optimize the website and the database.
5. Reduce resource consumption. For that, follow the below tips,

• Use the plugins that are necessary for your website. Try deleting the unnecessary ones.
• Check the plugins and find the which is using more resources.
• Compress the images on your website.
• Install Memcached as it improves the website’s speed and performance.

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Conclusion

In short, this error occurs in WordPress when two authors try to post or update different articles at the same time. Today, we saw different causes and fixes for this error.