DVD Studio Pro recognizes video file as audio only

Dear all,

After encoding a file in Compressor using the HD DVD 60 min encoding setting (H.264 format), DVD Studio Pro recognizes this file as if it's audio, while it is in fact a video (I've checked and tested that).

The strange thing is that I encoded a file a few weeks ago using the same settings and then everything went well.

Any idea what this could be? I'm using DVD Studio Pro 4.2.1 and Compressor 3.0.5.

Thanks in advance and best regards,

Tim Metz