Plz help, I can't simulate my circuits.

I made circuit for impedance matching.

This VCCS is small signal model.

and I wnat tocalculate K-factor. So I insert Stabfact in this circuit.

and then, I click the "simulate" button.

But I can't see K-factor.

I can get the S-parameter but can't get the K-factor.

you can see the K-factor value.. "invalid"...

Why this message are showing this simulation.

I think that vccs has problem..