Checking a system architecture diagram
Right-click the diagram, and select Report > Consistency.
The report is generated to the Output pane.
Modeler makes the following checks:
There are items on the diagram (C1).
Each item is linked to another item on the diagram (C24006/C24010).
Each Subsystem contains at least one item (C24005).
Each link has an associated message (C20002).
Each message direction matches the direction of the associated link (C24007).