How to resolve Cisco Meraki Switch Stacking Problem?

1. Configure the switch stack in the Meraki dashboard

2. Connect one of the switch to the internet

3. Wait for firmware to upgrades

4. Connect stacking cables and also one front port between switches 1 and 2

5. Power up switch 2

6. Wait until firmware upgrades, stack forms, STP disables front panel link

7. Repeat until all stack members are up.