ID:184028 <number> pin(s) must use <text> I/O standard -- the Fitter will automatically assign <text> differential I/O standard to pin(s)

CAUSE: You did not assign an I/O standard to the specified pin(s), and the default I/O standard is not compatible with the specified pin(s). The Fitter will automatically assign the specified I/O standard to the pin(s).

ACTION: No action is required. To avoid receiving this message in the future, assign a specific I/O standard to each pin.