If you are experiencing a WordPress Update Error when trying to save changes, it can disrupt your workflow and cause frustration. This guide will explain why this error occurs and provide step-by-step solutions to fix it, including tips to prevent it from happening again.
Why the WordPress Update Error Happens
Several factors can cause the WordPress Update Error:
- Plugin conflicts
- Theme compatibility issues
- JavaScript errors
- Browser caching problems
- REST API issues
Fixing this issue is important because it:
- Prevents content loss
- Ensures smooth WordPress editing
- Improves site performance
- Avoids future update failures
Step 1: Clear Browser Cache and Cookies to Solve WordPress Update Error
Clearing your browser cache and cookies can resolve many update problems.
How to fix:
- Windows: Press
Ctrl + Shift + Del - Mac: Press
Cmd + Shift + Del - Select
Cached images and files+Cookies - Click
Clear Dataand refresh WordPress
Step 2: Deactivate Plugins Causing WordPress Update Error
Plugins can conflict and trigger update errors.
How to fix:
- Go to Plugins > Installed Plugins
- Deactivate plugins one by one
- Test after each deactivation to identify the culprit
Step 3: Switch to a Default Theme to Fix WordPress Update Error
Sometimes your theme can cause conflicts.
How to fix:
- Go to Appearance > Themes
- Temporarily activate Twenty Twenty-One
- Check if the error persists
Step 4: Check JavaScript Errors for WordPress Update Problems
JavaScript issues can block updates and cause the error.
How to fix:
- Open your browser console (
F12 > Console tab) - Look for red error messages
- Fix or report conflicting scripts
Step 5: Refresh WordPress Permalinks
Refreshing permalinks often resolves backend issues.
How to fix:
- Go to Settings > Permalinks
- Click
Save Changes(no modifications needed)
Step 6: Verify REST API to Prevent WordPress Update Error
Blocked REST API can prevent updates from saving.
How to fix:
- Visit:
yoursite.com/wp-json - If you see a 404 error, your REST API may be blocked
- Contact your hosting provider or check security plugins
Tips to Prevent WordPress Update Errors
- Keep WordPress, themes, and plugins updated
- Use a reliable hosting provider
- Install caching plugins properly
- Regularly check for JavaScript conflicts
Video Tutorial: Watch Step-by-Step Video
Final Thoughts
The WordPress Update Error can be frustrating, but it’s usually easy to fix. Start with clearing the browser cache, then move on to plugins, themes, and REST API checks. Following the steps above will ensure smooth updates and prevent future errors.