Description
You may see this error when importing an Intel® Quartus® II generated PowerPlay Early Power Estimator (EPE) File into the EPE tool version 13.1 and earlier for a Stratix® V design which contains an ALTLVDS_TX or ALTLVDS_RX mega function that operates at a data rate greater than 1434 Mbps.
Resolution
Intel® Stratix® V devices support data rates up to 1600 Mbps using ALTLVDS, depending upon the speed grade of the device. Refer to the Intel® Stratix® V Device Datasheet (PDF) for detailed specifications.