mythdvd mtd not transcoding for qualities other than iso

[KShots]

Hello all,

I'm running into a bit of a frustration here. I've got mythtv 0.20 installed along with mythdvd, and when I'm trying to rip a DVD to a different quality (say, "Excellent") I sometimes get a brief screen showing progress (for less than one second), then it says there's no jobs and nothing else to do (asking me if I want a new rip). What's going on? Any idea where I can start?
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