Can't connect CMS collection on editor

Question:
Hello,
I am trying to connect my new CMS collection on a web page (via repeater).
When I click on connect button (from repeater component) or from left panel, nothing happenned.
As a normal works, a sidebar appear on right sidebar.

Product:
Wix editor

What are you trying to achieve:
I would like to connect my CMS collection to a repeater in a page.

What have you already tried:
We already try to ununstall the module et re-install again, but no success.

Additional information:
We install CMS module on an other website, and it works fine, so I don’t understand why it’s not working here.

There is an error in the console when I try to connect :

Someone can help me ?
Thanks :slight_smile: