ID:15714 Some pins are missing I/O Standard assignments. Refer to the I/O Assignment Warnings report for details.
CAUSE: There are one or more pins are missing I/O Standard assignments. The I/O Assignment Warnings report section in the Fitter compilation report lists the affected pins and the missing I/O Standard assignments.
ACTION: Use the Assignment Editor or the Pin Planner to add the missing I/O Standard assignments to the affected pins.