ID:169021 Pin <name> of type <input, output, or bidirectional> at location <pin> uses <name> I/O standard

CAUSE: The specified type of the specified pin at the specified location uses the specified I/O standard. Refer to the message that appears above this message in the Messages window or the Messages section of the Report window for information on the I/O bank that contains the specified pin.

ACTION: Reassign some of the output and/or bidirectional pins to a different VREF bank, move all input pins to a different VREF bank. To display I/O banks, open the Chip Planner and turn on I/O bank display IN the Layers Settings dialog box.