Thank you for your response!
VAP forwarding mode is bridge and DHCP is configured on core switch but still not working.
Regarding user role: I already tried to change to 'authenticated' but it shows the following when i try to change it.
Error processing command 'aaa profile "ICT_Park-aaa_prof" initial-role "authenticated"':Error: Role 'authenticated' is user defined, and can't be applied without Next Generation Policy Enforcement Firewall