Only top level posts to Groups you've joined can be made from the website.
More in “Groups”
- How do I create a Group?
- How do I search for Groups?
- Can I search Foreign Languages Groups?
- How do I join / leave a Group?
- I'm having trouble joining a Group.
- How can I manage Group notifications?
- I have seen a post I don't like.
- Why did someone flag my post?
- Why can't I post in a Group?
- Can I make Group posts via the website?