Only the top-level document in a CAD document structure is published upon releasing the structure
This can occur if any of the following is true:
• The distribution target attribute Number of Levels to Publish when Publishing a CAD Document Structure is set to 0 (zero), or to an empty string. It should be set to a number specifying the required number of levels instead.
• The document masters that represent the first level children in the structure are not resolvable to iterations using the distribution target attribute Saved Filter to be used when Publishing a CAD Document Structure.
Ensure that these distribution target attributes are set appropriately.