Cause

Within the topology, routing paths have been drawn on top of each other in the routing path network. The routing paths on top of each other can be of differing lengths.

Solution

1. Locate the routing paths on top of each other in the routing path network using the Go to (graphic) and Go to 2nd coordinate functions from the popup menu of the Message management dialog.
2. Delete the surplus routing paths.
3. Then start a new check run.