ID:21019 The delayctrlin[<number>] input of input phase alignment primitive "<name>" may only be connected to an uninverted delayctrlout[<number>] output of a DLL

CAUSE: The delayctrlin input of the specified input phase alignment block is driven by an illegal source.

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