Chatroom invisible after update jitsi packages

I just updated my debian server with Jitsi packages.
The problem is that in my site, with Jitsi in an Iframe, the chatroom is not displayed.
I completely uninstalled Jitsi (apt purge) and reinstalled, but nothing happened. The chatroom does not appear.
I did not modify the config file to see if it comes from there.

my site for you to see:
Thank you in advance for your help

I can see it just fine.

Ah OK thanks.
My browser cache… It took several reloads by force deleting resources. it’s OK
Thank you