The following questions are the preconditions
1. Native VLAN and wireless user vlan gateway normal. Dhcp normal,
2. connect AP switch port is Trunk, set native vlan, ap can online.
3.clould manage set SSID vlan tag wireless user vlan, configure Radius server,
if you still have issues, please check you dhcp or Trunk link, vlan tag, Meraki Cloud sync.
i hope helpful to you!