We’ve been experiencing an issue with an unwanted blank Footer being displayed on a Panel, when the Panel contains a Modal Section which then contains a Panel.
In our case, the overarching Panel contains a View and that View contains a few Modal Sections that use Panels to display messages.
Thanks for bringing this to our attention. We are looking into this now and will respond shortly.
This appears to be a bug. We will inform you when this bug will be fixed.