Hi Team,
I configured my Android device (Xiaomi Redmi Note 3) with Katalon on Mac OS 10.13.1
Most of the time, it gives me an error “Unable to start application on this device. An unknown server side error occurred…”
Refer to the attached screen-shot.
But as per one of the posts on Github, it works sometimes when you uninstall the previous version of app from your device.