Setting up a brand new Homey Pro (early 2019) from backup

Just that you do not run them both…

Wait until all Apps are re-downloaded and started. ’

See here: and check everything (like CLI installed apps. ) [HowTo] Homey Backup and Restore - Homey Migration

Contact Athom Support, ask them kindly if they will transfer it for you due to defect of the other one. (or you have to buy it again)