This flaw let kids accept new people in a group chat or join a new group without any authorization. The Verge reported that over the last week, the company has been sending parents messages saying a technical error has allowed the child to be part of unauthorized groups, and it has closed these chats: Facebook confirmed to TNW in an email statement that it has found the flaw and sent alerts to thousands of users: There are no details on the nature of the design flaw, or how many children were affected.. We’ve contacted Facebook to know more, and we’ll update the story accordingly. The app is currently available in five countries: the US, Canada, Mexico, Thailand, and Peru. In 2018, a privacy group filed a complaint to the US Federal Communications Commission (FCC) alleging the app put kids’ privacy at risk and didn’t comply with the Children’s Online Privacy Protection Act (“COPPA”).  If you want to figure out whether your child has been in unsupervised group chats, Lifehacker has a simple guide to walk you through it.