Empty Renders

I just installed Morpheus Pro on a Powermac Quad G5.
I created a test Morph that looks decent and rendered it out as a Quicktime DV movie. The size of the file created is zero K. I tried several variations of codecs, frame rates and sizes with the same result.
What am I dong wrong?
Thanks!
I created a test Morph that looks decent and rendered it out as a Quicktime DV movie. The size of the file created is zero K. I tried several variations of codecs, frame rates and sizes with the same result.
What am I dong wrong?
Thanks!