Looks like this came from a non-Lemmy ActivityPub platform. I think this user made a “note” that is just mentioning this Lemmy community. And when that Federated over here to Lemmy, it didn’t work properly. Kind of like how Mastodon posts often look weird on Lemmy.
Make sure your Z axis rods are:
My guess is that something is wrong with one of the rods about four inches up.