What is this red bar at the top of TikTok live chat?

Whenever i stream on TikTok Live, there is a chat box that shows up so I can read if people engage with me, but there is this ridiculously annoying red bar that pops up every minute or so that goes away, and every time it does, my attention is drawn to it because I think someone is trying to chat with me, but it's just some stupid notification for something I really don't care about. How do you remove this? I can't find any information about what it even is, because I don't even understand what the notification is trying to tell me...