TOPIC: Settings for Administrator Notification Email

The notification emails that I receive for group registrations for my event are coming back to me blank (no message). The single registration emails are coming back to be fine. Where do I go to edit the settings and/or text for these emails?

There is no place to modify settings for the admin emails. No reason why one would be blank and the other not. No one else has reported that happening either. Please submit a ticket if you haven't sorted it out yet.