Weird collection

A few days ago I suddenly noticed there was a new collection on my tik tok which I had not created named "Want to go". I cannot delete it as the only option for it is to make it public. Also whenever I save a video it doesn't appear in my collections and I can only view said collection by browsing through the collection section in my profile. I thought I might be hacked or something but the only device logged in to my TikTok is the one I'm using. Has this happened to anyone else? Haven't been able to find any information online and I'm somewhat worried.