Site announcements and information discussion

Hello to the moderation team. I set up a private chatroom recently and sent out invitations to many folks for some conversation. When I went back in later, the “invite people” tab was missing. I tried deleting and recreating the room multiple times, but the tab stayed away each time. Could you please sort it out? (Assuming you’re done fixing up the rest of the site, that is;-) Lots of love