try to disable the 2FA for your user by console
zammad run rails c
user = User.find_by(email: 'email@domain.com')
user.update!(otp_required_if_login: false)
try to disable the 2FA for your user by console
zammad run rails c
user = User.find_by(email: 'email@domain.com')
user.update!(otp_required_if_login: false)