Index: applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/actions/SplitObjectAction.java
===================================================================
--- applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/actions/SplitObjectAction.java	(revision 28551)
+++ applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/actions/SplitObjectAction.java	(revision 28556)
@@ -170,4 +170,10 @@
                 return;
             }
+        } else if (selectedWay != null && selectedNodes.isEmpty()) {
+            JOptionPane.showMessageDialog(Main.parent,
+                    tr("The selected way is not a split way, please select split points or split way too."),
+                    tr("Warning"),
+                    JOptionPane.WARNING_MESSAGE);
+            return;
         }