Error (175020): Illegal constraint of pin to the region <location> to <location>: no valid locations in region

Description

You will encounter the following Quartus® II Fitter error with Stratix® V GX devices if you assign signals to transceiver pins without also connecting these pins to a transceiver PHY instance in your design.

 

Error (175020): Illegal constraint of pin <pin name> to the region <location> to <location>: no valid locations in region

Resolution