Index: /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java
===================================================================
--- /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java	(revision 35887)
+++ /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java	(revision 35888)
@@ -94,4 +94,10 @@
             return 0;
         }
+
+		@Override
+		public Chart chart() {
+			// TODO Auto-generated method stub
+			return null;
+		}
     }