Before you import a Rational® XDE model into the Rational modeling products, you should check to see if the XDE model has broken reference to other XDE models. Resolving broken references before importing greatly increases the chances of the models functioning properly after import.
For example, if you have two models open in the XDE Model Explorer, a diagram that resides in Model1 may display the shape of an underlying model element in Model2. You can use the XDE Check External References command to look for external references.
To check for external references within XDE: