Hi @Manucha , seems you may not have full visibility. As a full admin I can see
The setting you require is under SSID Availability
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.