Whoops.

src/main/java/com/intellectualcrafters/plot/commands/Rate.java

@@ -77,6 +77,9 @@ public class Rate extends SubCommand {
                                 v2 -= 11 - entry.getValue().getAverageRating();
                             }
                         }
+                        if (v1 == v2) {
+                            return -0;
+                        }
                         return v2 > v1 ? 1 : -1;
                     }
                 });

src/main/java/com/plotsquared/bukkit/listeners/PlayerEvents.java

@@ -1032,7 +1032,7 @@ public class PlayerEvents extends com.plotsquared.listener.PlotListener implemen
         Location loc = BukkitUtil.getLocation(blocks.get(0).getLocation());
         final Plot origin = MainUtil.getPlot(loc);
         if (origin == null) {
-            if (MainUtil.isPlotAreaAbs(null)) {
+            if (MainUtil.isPlotAreaAbs(loc)) {
                 e.setCancelled(true);
                 return;
             }