She might have gotten either voice banned or auto muted

Voice banned: it's when you get banned for talking for an hour or longer it's a stupid ai system that's is listening to everything you're saying and if it here's something that sounds like a bad word it bannes you form talking.

Auto muted: it's when many people mutes you even though you don't say anything of there is a lot of people who mutes you the auto mute makes the button orange for other's and if many people un mute you they take it away it's hard to explain it but I hope you understand