Cause
Multiple interruption points that are star sources and have the same device tag exist in the project.
Solution
Possibility 1
- Locate the interruption points defined as star sources in the schematic by using the Go to (graphic) functionality from the popup menu in the Message management dialog.
- Delete the superfluous interruption points that are star sources so that only one star source is retained.
Possibility 2
Assign different device tags for the interruption points occurring multiple times that are star sources.
Possibility 3
Double-click the superfluous interruption points that are star sources and deactivate the Star source check box in the respective Properties <...> dialog.
Update the connections.
If required, start a new check run.