CMS collection item is being duplicated across different URLs

Collection items are being duplicated across different URLs. Please see the following example:

Correct URL

Duplicate Content

1840 pages are affected with the following error reported by search console: “Duplicate without user-selected canonical”

The sitemap is not showing any of the duplicate URLs.
https://www.easyrender.com/sitemap.xml

Has anyone encountered this problem before?

Thank you in advance for your time and consideration.


Here is my public share link:
https://preview.webflow.com/preview/easyrender?utm_medium=preview_link&utm_source=designer&utm_content=easyrender&preview=f26f8a01369da193a39ba837ccc73a9d&workflow=preview

Hi Matteo, you don’t actually have a canonical URL set on your pages.
Here are some notes on how to set it properly;

Thank you for reviewing and taking the time to reply. I believe I have now correctly set up my canonical ULS. I will monitor search console and hope to see some improvements soon. Have a nice week.