Index: /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java
===================================================================
--- /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java	(revision 35392)
+++ /applications/editors/josm/plugins/seachartedit/src/panels/ShowFrame.java	(revision 35393)
@@ -88,4 +88,10 @@
             return null;
         }
+
+        @Override
+        public int grid() {
+            // TODO Auto-generated method stub
+            return 0;
+        }
     }