Hey There,
I seem to have broken the page I was working on by adding mailchimp javascript to an HTML content block. Now I’m unable to click any buttons in the editor and I’m getting the error: Uncaught ReferenceError: Backbone is not defined in the console. Is there any way I can fix this without having to rebuild the page?
BB supports the WP Revisions system. Can you try reverting to an earlier version of your site, prior to adding the code, and see if that fixes it? You can access it via the native WP editor.
Not really sure on that regard. Maybe ask the FB Group and/or Slack Channel for the same. We’ve a lot of active users there.
If I misunderstood you in that you simply wanted to use a modal popup, there isn’t a BB module for that but there should be a lot of 3rd party plugins that offer the same. I’ve tried Popup Maker before and it works fine.