Sorry Kurt, I didn't see your problem report until just now.

The driver won't start because of a permissions issue. The driver needs access to the GPIO device, which usually requires root access. The easy fix is to run indiserver as root. On at least some systems, you can add your user to the "gpio" group, which will negate the need to run as root. That seems to work on Raspbian, but not Ubuntu or Armbian.

I will try to get the driver added to 3rdParty one of these days...

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