To Search for Annotation Elements with Missing References
1. Click > 
Find. The Search Tool dialog box opens.
Find. The Search Tool dialog box opens.2. Click Status.
3. Select Annotation Element in the Look for list.
4. Select Annotation Element in the Look by list.
5. In the Rule section, click Regeneration.
6. Select Missing References in the Value list.
7. Click Find Now. The found items and corresponding locations are listed in the items found section of the Search Tool dialog box. The results are also highlighted on the Model Tree and in the graphics window.
8. To select items, click 
to move items from the items found section to the items selected section of the Search Tool dialog box.
to move items from the items found section to the items selected section of the Search Tool dialog box.9. Click Close.