ID:15803 Output port <name> of GXB transmitter channel atom "<name>" must drive to only one output pin

CAUSE: The dataout port of the specified gigabit transceiver block (GXB)) transmitter channel atom either does not have any fan-out, has more than one fan-out, or fans out to some logic other than a simple output pin. The dataout port of the GXB transmitter channel atom must drive only one output pin.

ACTION: Modify the design so that the dataout port of the GXB transmitter channel atom fans out to only one output pin.