Pour la suppression

If you're referring to LR's new Generative Remove, see this article for how to remove objects more reliably:
https://www.lightroomqueen.com/generative-remove-replace/
 
Most complaints about Remove are addressed in the article. But if it doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo, so we and Adobe can see the issue in detail. With nearly everyone who has posted a problem photo, we've been able to show how to quickly remove the desired objects.