ID:176478 DQS I/O pin "<name>" feeds <number> DQ I/O pins -- exceeds the maximum allowed fan-out of <number> DQ I/O pins

CAUSE: The Fitter could not place the specified DQS I/O pin because the specified number of fan-out to DQ I/O pins from the DQS I/O pin exceeds the maximum specified amount.

ACTION: Modify the design so that the specified DQS I/O pin does not feed more than the specified amount of DQ I/O pins.