LaTeX.org

I would like to post to LaTeX forum, but do not see an affordance that will let me.

Once I see it, there is an image I would like to upload, if that is allowed. It shows the citation correct popup, and the citation undefined error message, all in the same image, with the minimal example ...

Hello all,
It's great that this community exists. I'm hoping to learn more about LaTeX, having been a casual user for a while.

All the best,
Therese