PT Warning: Ports with Parasitics, but with no driving cells

[varthurravi]

Hi,

I am seeing this warning in my Primetime report on some of the input ports:
There are n ports with parasitics but with no driving cells

What this warning means and how to resolve this?

Thanks

 

[dftrtl]

If you donot have driving cell /load constraints on IOS you will get this message.
Set driving cell on those ports.