Resolve a "Payment device is not setup" Error

What is causing this Error?

This error occurs when no payment device is selected in the SkyTab settings and you attempt to process a transaction.

How do I resolve this Error?

These steps must be performed on each SkyTab POS and, if applicable, on each SkyTab Glass.

1. Navigate to Manager > Settings > Hardware Settings > Payment Devices.
2. Select Payment Device at the top of the screen.
   
3. Select Onboard Reader or External PIN Pad, depending on which device you have.
   
   Note: If you selected "External PIN Pad", visit the Configure the SkyTab POS PIN Pad article to complete the configuration.
4. Select Ok.   
5. Select Save.