Custom attribute that doesn't appear in the published page


I try to make the cookie banner for one my client.

I made a test page with only the cookie banner and the banner works really well :

When, I implemented on a real page of the website. The “Preferences” button does not work :

Actually, it’s button is linked to a custom attribute. The main div seems to appear that’s why the page is locked but the form block inside doesn’t appear.

I try many things but the problem is still here.

If someone, have any idea to fix it, it would be really heplful :pray:

Here is my site Read-Only: