I’ve been trying to log in to use Avelon for a few days now, on both the app store and TestFlight builds, and both give the pictured error.

Guest accounts work fine, and this error happens with four different accounts on four different Lemmy instances. I can log into all of these accounts in other apps (currently posting this from Voyager).

(By the way there is definitely a password in there when I press the button, I think my phone just hid it for the screenshot)