CMP413: The pin %ip of macro %m1 can be connected to pin <pin name> of macro <macro name> or connected to <power>.\n Also the fanout of connecting net must be 1.\n

Your macro’s input pin is not connected to a viable output pin or the fanout of the connecting net does not meet the requirements..

Action

Connect the input pin to a viable output pin; also ensure that the connecting net has a fanout of only 1.