ID:176334 I/O cell <name> is fed by two non-global clocks, but at least one clock must be a global clock or a regional clock

CAUSE: The specified I/O cell is fed by two non-global clocks. However, at least one of the clocks must be a global clock or a regional clock.

ACTION: Assign the Global Signal option to Global Clock or Regional Clock to one of the clocks, or modify the design so that the I/O cell is fed by only one clock.