Magento 2 Error: “The value specified in the URL Key field would generate a URL that already exists…”

In Magento 2, Search Engine Optimization and URL management are crucial to maintain a clutter-free and user-friendly eCommerce experience. Nevertheless, while managing products or categories, you may run into the following error:

“The value specified in the URL Key field would generate a URL that already exists. To resolve this conflict, you can either change the value of the URL Key field (located in the Search Engine Optimization section) to a unique value, or change the Request Path fields in all locations listed below.”

This article explains when and why this error occurs, and how to resolve it.

 When Does This Error Occur?

This error typically occurs when you’re trying to:

• Create a new category or a product with an existing URL Key.
  
• Update an existing category or product, changing its URL Key to one that is not unique.
  
• Restore a removed product or category, and its URL Key still exists in the system.
  
• Import a set of products or categories with conflicting URL Keys.
  

 Why Does This Happen?

Magento 2 uses URL Rewrites to manage human-readable and SEO-friendly URLs. They are stored in the url_rewrite database table. Each record maps a request path (like /my-product.html) that is unique to a particular entity (product, category, CMS page).

If two entities try to use the same URL Key, Magento cannot determine which one should be given priority, hence the conflict and the error message.

 How to Fix It

Here are several ways to resolve the issue:

Option 1: Change the URL Key to a Unique One

1. Go to the product or category you are editing.
   
2. Scroll down to the Search Engine Optimization section.
   
3. Create a unique URL Key (for example, add a suffix or differentiate it meaningfully).
   
4. Save your changes.
   

Option 2: Find and Modify Conflicting Request Paths

1. Magento will often list conflicting paths right in the error message.
   
2. Recheck the items listed, which may include products, categories, or CMS pages.
   
3. Navigate to each one and either:
   
   • Modify its URL Key, or
     
   • Just delete it if it’s no longer required.
     

Option 3: Clean Up Orphaned URL Rewrites (Advanced)

Sometimes, the conflict might be caused by orphaned or leftover URL rewrites from the removed products or categories.

To clean them manually:

1. Access your database (via phpMyAdmin or MySQL CLI).
   

2.    Run a query to find conflicts, for example:

SELECT * FROM url_rewrite WHERE request_path = 'your-url-key.html';

3.   If the entry is no longer in use (e.g., its entity_id is not present in the respective table), you can safely delete it:

DELETE FROM url_rewrite WHERE request_path = 'your-url-key.html';

 ⚠️ Always back up your database before making any changes!

Alternatively, use Magento’s URL Rewrite Management in the Admin Panel:

• Go to Marketing > SEO & Search > URL Rewrites.

• Find the conflicting request path.
  
• Delete or edit the necessary entries.
  

Best Practices for Avoiding This Error

• Always use unique URL Keys for products and categories.
  
• When removing items, consider checking for and deleting associated URL rewrites.
  
• Use descriptive, structured naming patterns for URL Keys to avoid duplicates.
  
• Regularly review URL Rewrites if you’re doing extensive imports or automated catalog updates.
  

Conclusion

Magento 2’s SEO capabilities are immense, but they call for careful management of URL Keys. The error “The value specified in the URL Key field would generate a URL that already exists…” aims to protect the integrity of your store’s URLs and prevent routing conflicts. By understanding the underlying cause and applying the appropriate solution, you can ensure clean, consistent, and SEO-friendly URLs across your catalog.

If you’re doing bulk updates or automation, use extensions that manage URL rewrites intelligently or include URL Key validation in your workflow.