Hi,
Could you please provide us your name, email and country so that we can create a ticket and contact you as per your timr zone and to assist you with the required configuration.
You can also refer the below community Link about how to configure Mesh and WLAN:
https://community.cambiumnetworks.com/t5/cnPilot-E-Series-Enterprise-APs/How-do-I-setup-a-wireless-mesh-repeater-mode/td-p/52498
Regards,
Kimmi