ID:15972 The delayctrlin[<number>] input of I/O clock divider "<name>" can only be driven by uninverted delayctrlout[<number>] output of a DLL.

CAUSE: The specified delayctrlin input of the specified I/O clock divider block has an illegal connection.

ACTION: Check the design and make sure the the specified delayctrlin input is driven by an uninverted delayctrlout output of a DLL primitive. The index of the delayctrlout output must be the same as the index of the specified delayctrlin input.