When you edit fillet or chamfer features that have errors, all
missing references display at the top of the Items to
Fillet or Items to Chamfer
box in the PropertyManager. You can right-click missing references to zoom to their
location, repair individual or all missing references, or clear the list of missing
references.
To repair, the software attempts to reattach missing references when
the missing reference location in the model contains a valid physical edge, face, or
loop. If it only repairs a subset of the missing references, the number of repaired
edges display.
To repair missing references: