ID:15949 The delayctrlin[<number>] input of DQS enable control "<name>" may only be connected to an uninverted delayctrlout[<number>] output of a DLL.

CAUSE: The delayctrlin input of the specified DQS enable control is driven by an illegal source.

ACTION: Disconnect the delaycontrol input of the specified DQS enable control, or drive it with the corresponding delaycrlout output of a delay-locked loop (DLL).