Hi,
I have the same problem. The solution for me was to set the “user / group” permission to “visitors”. The reason is not a false user or password because I also use bitwarden and on the second attempt (after 15 minutes) it’s ok (with the same user / pwd).
I have only the problem when the permission is set on “all_users” and then I must wait for 15 minutes before I can log.
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