ArrayIndexOutOfBoundsException in KLay Layered

I got the following exception when requesting a KLay Layered layout for ABRO:

Failed to perform diagram layout.
java.lang.ArrayIndexOutOfBoundsException: -2147483648
at de.cau.cs.kieler.klay.layered.p2layers.NetworkSimplexLayerer.normalize(NetworkSimplexLayerer.java:1025)
at de.cau.cs.kieler.klay.layered.p2layers.NetworkSimplexLayerer.process(NetworkSimplexLayerer.java:484)
at de.cau.cs.kieler.klay.layered.KlayLayered.layout(KlayLayered.java:506)
at de.cau.cs.kieler.klay.layered.KlayLayered.doLayout(KlayLayered.java:135)
at de.cau.cs.kieler.klay.layered.LayeredLayoutProvider.doLayout(LayeredLayoutProvider.java:67)
at de.cau.cs.kieler.kiml.RecursiveGraphLayoutEngine.layoutRecursively(RecursiveGraphLayoutEngine.java:83)
at de.cau.cs.kieler.kiml.RecursiveGraphLayoutEngine.layoutRecursively(RecursiveGraphLayoutEngine.java:75)
at de.cau.cs.kieler.kiml.RecursiveGraphLayoutEngine.layoutRecursively(RecursiveGraphLayoutEngine.java:75)
at de.cau.cs.kieler.kiml.RecursiveGraphLayoutEngine.layout(RecursiveGraphLayoutEngine.java:46)
at de.cau.cs.kieler.kiml.ui.diagram.DiagramLayoutEngine.layout(DiagramLayoutEngine.java:498)
at de.cau.cs.kieler.kiml.ui.diagram.DiagramLayoutEngine.layout(DiagramLayoutEngine.java:442)
at de.cau.cs.kieler.kiml.ui.diagram.DiagramLayoutEngine$1.execute(DiagramLayoutEngine.java:213)
at de.cau.cs.kieler.kiml.ui.util.MonitoredOperation$1.run(MonitoredOperation.java:191)