ID:15879 Output port <name> of DDIO_OE primitive "<name>" must drive input port <name> of an I/O OBUF primitive

CAUSE: The specified DDIO_OE atom is not connected properly. It should drive the specified port of an I/O OBUF primitive, but it is not doing so.

ACTION: Check your design to make sure that the DDIO_OE atom is properly connected.