What you see.
The picture above is the page you see. Why can't you get into the meeting place?
This is the photo of the host.
The picture above is the host's picture. Only after he agrees can he enter.
So, you have to wait in that black interface, you can't quit, and you can only enter after the host approves.
Why does this interface appear?
waiting room
Because the founder of the conference opened the waiting room. .......
It's as simple as that