ID:186098 GXB transmitter pin "<name>" does not use <name> I/O standard -- Fitter will automatically assign <name> I/O standard to pin

CAUSE: You assigned an illegal I/O standard to the specified GXB transmitter pin. The GXB transmitter pin can use only the specified I/O standards. The Fitter will automatically assign the specified 1.5-V PCML I/O standard to the pin.

ACTION: To avoid receiving this message in the future, delete the assignment, or change the assignment to the 1.5-V PCML I/O standard.