ID:15988 OUTPUT_PHASE_ALIGNMENT primitive "<name>" with its phasectrlin input port fed by the dqoutputphasesetting output port of a DQS_CONFIG primitive must have its phaseinvertctrl input port unconnected or fed by the dqoutputphaseinvert output port of the same DQS_CONFIG primitive

CAUSE: The phaseinvertctrl input port of the specified OUTPUT_PHASE_ALIGNMENT primitive is driven by an illegal source.

ACTION: Check the design and make sure that the specified phaseinvertctrl input port either is driven by the dqoutputphaseinvert output port of a DQS configuration or is unconnected.