ID:186355 DQS system clock pin "<name>" cannot feed more than one DLL (it currently feeds DLL "<name>" and DLL "<name>")

CAUSE: The specified DQS system clock pin is feeding multiple delay-locked loops (DLLs). DQS system clocks can feed only a single DLL.

ACTION: Modify the design to split the DQS system clock pin into two separate input pins, or merge the DLLs together into a single DLL.