ID:176315 Can't place pin "<name>" at assigned pin location <name> (<name>) because location is a dedicated GXB transmitter output pin location but pin "<name>" is not fed by the dataout output port of a GXB transmitter

CAUSE: The Fitter cannot place the pin at the specified pin location because the specified pin location is a gigabit transceiver block (GXB) transmitter dedicated output pin location but the specified pin is not fed by the dataout port of a GXB transmitter.

ACTION: Delete the pin assignment or ensure that the specified pin is fed by the dataout port of a GXB transmitter.