I'm very new to this: "connect supabase" button (for auth) does not work

I am trying to follow the tutorial for supabase Auth, but I cannot manually input my credentials, only use the “Connect Supabase” button.

After I click the button, I go to supabase authorization page and authorize my project. When I come back to WeWeb, though, it does not show it as connected…
edit:
when I try the “connect supabase” button, after I try to authorize in the supabase page, I get this in my console:

Am I doing something wrong?