I been trying to subscribe to communities. I know how to find them by searching !community@server.xyz or whatever. Some of them have a subscribe button. I found a bunch that don't, and I am not sure if this is a bug, if I need to do something special to subscribe like message the admins, or if it's overloaded and the subscribe button isn't working. I basically see a Subscribe word in the top right corner (using web lemmy) and I don't see a button to subscribe. Seeing this in multiple communities:

I know the movies one is on a different server, but I'm logged in and I seem to be in the right place to subscribe, but can't. I believe aww is on my server so it doesn't show the full community !thing@server. In this community, I see a subscribe button: