Dynamo 4 Civil - expect arg Geometry,Geometry, called with Solid,Solid

A bit more neatly:

When calling Object.Geometry with empty lists, Object.Geometry returns an error message:
…expects DynamoNodes.Object, was called with DynamoNodes.Solid[]” or
…expects DynamoNodes.Object, was called with DynamoNodes.Object[]

When erasing the empty lists, this error disappears.

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