Changed Authentication Source - Now it asks me to link accounts, but password is wrong

[GD-Dal]

Description

I changed the OAUTH source from Keycloak to Authentik.
I edited my user and changed Authentication source to Authentik
But when I try to log in, I am given this page:

I go to the Link to existing account page, and this shows:

But if I enter my username and password again, it just says:
Username or password is incorrect.

What could be causing this:

Thanks

Gitea Version

1.22.1

Can you reproduce the bug on the Gitea demo site?

No

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

I'm running Gitea as a docker container

Database

None