The VML Drawing part should be listed as a child part of the Dialogsheet part.
Add this as an explicit child relationship (zero or one).
Part 1, 12.3.7
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Proposed Disposition of DIS 29500 Comment ECMA-0061 (Modified: 2007-12-04) Agreed; the following change will be made: Part 1, §12.3.7, page 72, after line 4 VML Drawing (§15.2.17)
