ID:176502 Can't place DQS I/O pin <name>

CAUSE: The Fitter could find a legal location on the device to place the specified DQS I/O pin.

ACTION: Remove or modify location assignments and/or I/O standard assignments to the specified DQS I/O pin or to the nDQS I/O or DQ I/O pins fed by the DQS I/O pin. If this does not result in a successful fit, compile the design targeting a larger device.