I believe some names don't resolve according to the schema. Not 100% sure this is what is going on for you, but sure sounds like it. Check out my post here: https://www.bladelogic.com/community/thread.jspa?threadID=2359
If so, search the net for the metabase ID that it should be and see if tweaking that guy in the metabase helps.
Thanks for the tip! That looks like the ticket....