Pihole in container not working

Hello, I have setup a container and tried to run pi-hole within it however it seems it’s not working correctly!

1.) When I click on Tools → Pi-hole diagnosis. A pop-up error shows

DataTables warning: table id=messagesTable - Invalid JSON response. For more information about this error, please see http://datatables.net/tn/1

2.) If I can run successfully pi-hole, how can I force my users to use the pi-hole DNS using IP-> DNS Servers?


EDIT: This is already fixed. I followed https://help.mikrotik.com/docs/display/ROS/Container

It could be my issue not setting up NAT for outgoing traffic might affect Pi-hole behavior. Although, I’ve added it, there’s still no connection.