The parent theme is missing WordPress Origin: Application & API Last updated 11 Oct 2026

WordPress: The parent theme is missing. Please install the "x" parent theme.

A child theme is active (or installed) but its parent theme isn’t installed, or the Template header doesn’t match the parent folder name.

Exact message you may see The parent theme is missingPlease install the parent themeBroken ThemesTemplate is missing
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Seen on: WordPress

Meaning

Child themes declare Template: parent-folder-name in style.css. Renamed parent folders (e.g. theme-name-1.2) or uploading only the child break it.

Common causes

  • Parent theme not installed
  • Parent folder renamed (version suffix)
  • Template header typo in child style.css

⚡ Quick fix

  1. Install the parent theme
  2. Rename the parent folder to match Template
  3. Fix the Template line in the child’s style.css

Detailed fix by platform

WordPress

  1. php
    /*
 Theme Name: My Child
 Template: astra
*/

How to diagnose

  1. Folder — Parent folder name
  2. Header — Template value

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

Where this error sits

Origin: Application & API. Errors that are often confused with or caused by this one (click to open):

403 Forbidden wp-admin — WordPress: 403 Forbidden on wp-admin, wp-login.php or admin-ajax.php (WordPress)403 Forbidden wp-admin404 except homepage — WordPress: 404 Not Found on every page except the homepage (permalinks / .htaccess / Nginx rules) (WordPress)404 except homepageAnother update is currently in progress — WordPress: Another update is currently in progress. (WordPress)Another update is cur…Are you sure you want to do this? — WordPress: Are you sure you want to do this? Please try again. (nonce check failed) (WordPress)Are you sure you want…Critical error — WordPress: There Has Been a Critical Error on This Website (WordPress)Critical errorDestination folder already exists — WordPress: Destination folder already exists. Plugin installation failed (WordPress)Destination folder al…The theme is missing the style.css stylesheet — WordPress: The package could not be installed. The theme is missing the style.css stylesheet (WordPress)The theme is missing …The paren…

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