MDT links new inventor .iam files

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1/ MDT(version 2009) when new links inventor .iam files,there's one error :IVL004 I don't know how to resolve it,i find lots of threads in forum but was not lucky. So i hope you can help me . Otherwise,if imported older inventor version .iam files, but it can't build a layout by chosing only one part. .iam is a only cell.
HELP!

THANKS!


LEE