ID:18591 Can't recognize the Flash device that attached to device <number>. The Flash device is not supported by Quartus Prime software.

CAUSE: You attempted to use a Flash device that is not supported by Quartus Prime software.

ACTION: Replace the Flash device with a supported flash device. If you use CFI Flash device, you can define the Flash device in Define CFI Flash Dialog box, you can then use with Quartus Prime software.