Are you seeing the “Missing Stylesheet” error when uploading a WordPress theme? Don’t worry! In this quick tutorial, I’ll show you exactly how to fix the “The package could not be installed. The theme is missing the style.css stylesheet” error in WordPress.
What You’ll Learn in This Video:
✅ What causes the missing stylesheet error in WordPress
✅ How to properly upload premium or free themes
✅ The difference between theme packages and installable theme files
✅ How to unzip and locate the correct .zip file
✅ Step-by-step solution to fix the issue in less than 5 minutes
Why This Missing Stylesheet Error Happens:
- This issue usually occurs when:
- You upload the entire theme package from ThemeForest or other marketplaces
- The actual installable theme is inside a nested folder
- You accidentally try to upload documentation/demo files instead of the theme
Quick Fix Instructions:
- Unzip the downloaded theme package on your computer
- Find the folder that contains style.css, functions.php, etc.
- Compress this folder into a new .zip file
- Upload that zip via Appearance > Themes > Add New in your WordPress dashboard
- Activate and enjoy your theme without errors
Related Tutorials:
- How to Install a WordPress Theme Properly
- How to Import Demo Content in WordPress
- Top Free & Premium Themes for 2025