ID:179004 Design requires <number> HSSI reference clock I/O pin resources -- too many to fit in the <number> HSSI reference clock I/O pin locations available in the selected device

CAUSE: You specified a target device for the current design, but the design requires too many HSSI reference clock I/O pins to fit in the target device.

ACTION: Reduce the number of HSSI reference clock I/O pins used in the design or select a larger device.