How do you get the Image Plate Sequence to show up?

Hi, I have been trying to use Image Plate with my camera to get a backdrop going. I have followed the Image Plate tutorial, but my Image Sequence will not show up. All I get is this:

Does anyone know what could be going on here?

Sorry, I haven’t got an answer for you as I’ve asked & looked everywhere (and I mean everywhere!) for info on this…did you manage to get this to work?