Announcement Playback Service chat ¡HEPL!

Hello, for a few weeks now, one or two chats with the same name "Announcement Playback Service" have been appearing in my recent chats without explanation.

Since the new chat update, they have remained permanently static in recent chats.
I can't remove them, delete them, move them, or hide them. They're very annoying.

I want to remove them. Does anyone know how? I've attached photos.

(desktop and web versions) is the same problem

When trying to move them from container: