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CattabianiI
in reply to: daniel.puchta

It's the desired behavior and pointed out in the LOD to MS migration document (https://forums.autodesk.com/t5/inventor-ilogic-api-vba-forum/important-for-developers-working-with-l...

Suppress a ComponentOccurrenceProxy is not allowed.

To achieve what you want you should work in the context of oOccurrence parent document. 

Or consider to make the occurrence invisible instead if it's just what you need.