ID:184027 Pin <name> must use differential I/O standard -- the Fitter will automatically assign <text> differential I/O standard to pin

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

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