I don’t understand this error, what I am doing wrong?
I am setting up the tracking for universal links, adding the class=”untracked” and the query param ?link_id={% cio_link_id %} as per the documentation: https://customer.io/docs/journeys/universal-links/
![](https://uploads-us-west-2.insided.com/customerio-en/attachment/f0218ba6-dd07-4a74-a398-6d55bd3387db.png)