No address range available for DHCP request via wlan1 ?

[SP2005]

I have connected myt NANO to my WIFI which is working fine. I have then created a new AP (Open SSID) for the user to connect. But when the users tries to connect to the Open SSID, they get this message:

Sun Apr  8 14:14:34 2018 daemon.warn dnsmasq-dhcp[1724]: no address range available for DHCP request via wlan1

It looks like the users don't get an IP from my NANO, but why and where can I change it ?

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[SP2005]

I found out I had to set the Client filter to Deny mode. Now this part works fine.