ID:16277 Port "<name>" on the entity instantiation of "<name>" is connected to a signal of width <number>. The formal width of the signal in the module is <number>. The extra bits will be left dangling without any fan-out logic.

CAUSE: The specified port in the specified entity instantiation is connected to a signal of a particular width that is different from the formal width of the corresponding pin bus in the entity definition.

ACTION: Either change the pin bus width in the module instantiation or change the signal width connecting to this port on the entity instantiation.