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Hello, i'm trying to run an external rule to act on the opened part and i'm getting the following error.

Error in rule: no_sculpt, in document: FRONT DESK STRUCTURE.iam

Unable to cast COM object of type 'Inventor._DocumentClass' to interface type 'Inventor.PartDocument'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{29F0D463-C114-11D2-B77F-0060B0F159EF}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).

it seems this is an issue with running the rule at the context of the assembly?

 

any thoughts on making this work?