No smart lock found

Good morning
I am trying to install my Nuki
it is correctly on the door
the door sensor also
the ring was for one second fully on then only the top segment
in the app I have to press the ring and he must glows…
but nothing
what can I do?

thanks for your help

Please contact our support via https://nuki.io/en/support-request/ or contact@nuki.io for direct help with your Smart Lock.

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