Attached...having the same issue.
Seems like everything is fine...just get an error prompt when trying to add part balloons
some bodies in the model are bad so cut them in section view failed. Bad bodies should be listed in the results dialog. They need to be opened in part environment and see if they can be repaired.
If you can send your dataset (model and drawing) to ladislav(dot)pcola(at)autodesk(dot)com then I can take a look at this in more detail.
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