mercalli V2 by proDAD - Ongoing Review

I've now installed the plugin version of Mercalli for use with my iMac, this has also not started well. I downloaded the package without any problems and then also installed it without any problems, so far so good.

The plugin appears fine in the video filters list and I went into this again with my hopes raised, to no avail.  I loaded a couple of clips (MOV files) into the timeline and tried to apply the Mercalli filter to the clips, I was greeted with the screen below:

Can it get any more depressing?

Waiting to hear from proDAD.