Hi @ALLAM , are you saying that you’ve purchased a Meraki AP but can’t add to the dashboard? The error you’re getting means that the device has been claimed by someone else. You need to contact the person you purchased the device from and ask them to remove from their dashboard
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.