Hey there,
See Official Servers - Terms of conduct, guidelines and procedures for how to report harassment and griefing issues.
Be sure to read them yourself before reporting too.
Voir Official Servers - Terms of conduct, guidelines and procedures pour savoir comment signaler un harcèlement dans le cadre d’un deuil.
Assurez-vous de les lire vous-même avant de les signaler également.
(ref: DeepL Translator)
See also: Useful links for methods to report issues.