Nevermind. I found v3 of TrackerViz, and am no longer experiencing the error. Thanks anyway. Great script!

Great tutorials on the TrackerViz script! Really helped me better understand tracking in AE. I have a question though. I am trying to do several screen replacements, and many are on hand-held devices. BUT... all four corners of the screen aren't always visible in some of the shots. So, I've figured ...