Tiktok sending false notifications

Tiktok is sending false notifications.

I am NOT following that person, let alone have a chat with her. I tried to open the chat but it just doesn't open anything, it loads a blank page. I tried to search that person and she has a private account so no way that we have a chat.

I do NOT have reposted anything on my account, so how the hell does someone reposted the same post.

the notification even says that its from a friend, but he isn't, I do not even know who that is.

is this normal? is someone else using my account? how do I resolve this?

please let me know cause these are just some of the examples, as those false notifications are an hourly occurances.