It depends on the kind of content you have.
If your website has ai-commentary about some individual for example and your content has some inaccurate information that shows them in bad taste, they can sue you for defamation/slander.
If you have ai-generated medical advice and it causes the death of someone, somebody can sue you for unauthorised practice, medical negligence and willfully spreading misinformation.
If you have a news site and it generates ai-generated news, you might end up on some fake-news websites watchlist and get a lot of defamation suits from people you generated fake news about.
Several other niches where you can face some legal issues.