Troubleshoot and Solve the WordPress Failed to Open Stream Error

WordPress Failed to Open Stream Error often appears when a PHP script is unable to read a file it requires to function properly. There are many possible causes for this, including wrong file permissions, a missing file, and typographical errors in file paths. The PHP error message you could encounter looks like this:

Warning: require(/path/to/file): failed to open stream: No such file or directory in /path/to/wp-content/themes/your-theme/functions.php on line 123

How to Fix the WordPress Failed to Open Stream Error?

You must locate the underlying source of the problem and take the necessary steps to resolve it. You can follow the instructions listed below:

  1. Examine the file path: Verify that your code’s file path is accurate. Fix the path if you see a mistake or a missing file, then save your adjustments.
  2. Check file permissions: If the file path is accurate but the script is still unable to access the file, it may be because the file permissions are not appropriate. To test if it fixes the problem, you can try altering the permissions.
  3. Deactivate plugins: If an error occurs after you have installed a new plugin, consider deactivating the plugin to see if that solves the problem.
  4. Clear your cache: You might need to clear your WordPress cache to see the updates.

A number of problems, including wrong file permissions, a missing file, or a typographical error in the file path, might lead to the WordPress Failed to Open Stream Error. You must locate the error’s primary cause and then take the necessary steps to resolve it, such as modifying a file’s permission or path, deactivating plugins, or looking for theme or plugin incompatibility.

Dr. Sabbir | WordPress expert | Kajabi Expert
About The Author
Dr. Sabbir is a seasoned front-end software engineer, WordPress expert, and web consultant with over 12 years of experience in the tech industry. Although he holds a medical degree from Rajshahi Medical University, he chose to pursue his true passion—web development. Since then, he has designed and developed user-friendly websites and applications across diverse industries, leveraging his expertise in multiple programming languages to deliver exceptional user experiences.
Free Brand-Building Resource

Download our free Brand Bio Formula and craft your go-to business statement.

This free guide will help you write your Brand Bio in minutes—perfect for your site, socials, and beyond. No fluff. Just clarity.

Launch your website within days (not months or years) with our easy-to-use WordPress Website Templates.

© 2025  Your Theme Shop. All rights reserved.