octobercms/october · error · ApplicationException

The theme ':name' is not found.

Error message

The theme ':name' is not found.

What it means

Error "The theme ':name' is not found." thrown in octobercms/october.

Source

Thrown at modules/cms/controllers/Themes.php:481

    }

    //
    // Util
    //

    /**
     * findThemeObject
     */
    protected function findThemeObject($name = null)
    {
        if ($name === null) {
            $name = post('theme');
        }

        $theme = $name ? CmsTheme::load($name) : null;

        if (!$theme || !$theme->isValid()) {
            throw new ApplicationException(__("The theme ':name' is not found.", ['name' => $name]));
        }

        return $theme;
    }
}

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/cms/controllers/Themes.php:481 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of octobercms/october@b608633a7e (2026-08-21). Data as JSON: /api/errors/74af73dddb7289e4. Report an issue: GitHub.