ID:21011 The enaphasetransferreg input of output phase enable primitive "<name>" can only be driven by either the enaoutputphasetransferreg or the enaoctphasetransferreg output of a DQS configuration primitive

CAUSE: The enaphasetransferreg input of the specified output phase enable primitive is driven by an illegal source.

ACTION: Check the design and make sure that the specified enaphasetransferred input is driven by either the enaoutputphasetransferreg or the enaoctphasetransferreg output of a DQS configuration primitive.