To debug the graph, right-click the edges that are under suspicion and select the Enable debug option from the context menu. After that, a bug icon appears on the edge meaning that a debugging will be performed upon the graph execution.
The same can be done if you click the edge and switch to
the Properties tab of the
Tabs pane. There you only need to set the
Debug mode attribute to
true. By default, it is set to
false. Again, a bug icon appears on the
edge.
When you run the graph, for each debug edge, one debug file
will be created. After that, you only need to view and study the
data records from these debug files (.dbg
extension).