Theme is Missing the Style.css Stylesheet Error
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A common issue that can occur when installing a WordPress themes is “The package could not be installed. The theme is missing the style.css stylesheet.” error message being displayed when uploading or activating the theme.
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One of the reasons you may receive this error is if you have uploaded the incorrect file. You have 2 options for downloading your theme.
- Installable WordPress file only. You can upload downloaded zip in WordPress.
- All files & documentation. In this case, you need to extract downloaded zip first and inside you will see installable WordPress zip archive.