diff --git a/PlotSquared/src/com/intellectualcrafters/plot/PlayerFunctions.java b/PlotSquared/src/com/intellectualcrafters/plot/PlayerFunctions.java
index 97bec2db9..5bfe23be8 100644
--- a/PlotSquared/src/com/intellectualcrafters/plot/PlayerFunctions.java
+++ b/PlotSquared/src/com/intellectualcrafters/plot/PlayerFunctions.java
@@ -78,10 +78,18 @@ public class PlayerFunctions {
 
 	public static Plot getBottomPlot(World world, Plot plot) {
 		if (plot.settings.getMerged(0)) {
-			return getBottomPlot(world, PlotMain.getPlots(world).get(new PlotId(plot.id.x, plot.id.y - 1)));
+		    Plot p = PlotMain.getPlots(world).get(new PlotId(plot.id.x, plot.id.y - 1));
+		    if (p==null) {
+		        return plot;
+		    }
+			return getBottomPlot(world, p);
 		}
 		if (plot.settings.getMerged(3)) {
-			return getBottomPlot(world, PlotMain.getPlots(world).get(new PlotId(plot.id.x - 1, plot.id.y)));
+		    Plot p = PlotMain.getPlots(world).get(new PlotId(plot.id.x - 1, plot.id.y));
+		    if (p==null) {
+                return plot;
+            }
+			return getBottomPlot(world, p);
 		}
 		return plot;
 	}
diff --git a/PlotSquared/src/com/intellectualcrafters/plot/PlotMain.java b/PlotSquared/src/com/intellectualcrafters/plot/PlotMain.java
index 4d730e4a3..bbae7c6dd 100644
--- a/PlotSquared/src/com/intellectualcrafters/plot/PlotMain.java
+++ b/PlotSquared/src/com/intellectualcrafters/plot/PlotMain.java
@@ -1136,8 +1136,9 @@ public class PlotMain extends JavaPlugin {
 			if (!config.contains("worlds." + world)) {
 				config.createSection("worlds." + world);
 			}
+			
+			
 			plotworld.saveConfiguration(config.getConfigurationSection("worlds." + world));
-
 			plotworld.loadDefaultConfiguration(config.getConfigurationSection("worlds." + world));
 
 			try {
diff --git a/PlotSquared/src/com/intellectualcrafters/plot/UUIDHandler.java b/PlotSquared/src/com/intellectualcrafters/plot/UUIDHandler.java
index 01e319dcc..abb3c3521 100644
--- a/PlotSquared/src/com/intellectualcrafters/plot/UUIDHandler.java
+++ b/PlotSquared/src/com/intellectualcrafters/plot/UUIDHandler.java
@@ -52,7 +52,9 @@ public class UUIDHandler {
 	}
 
 	public static void add(StringWrapper name, UUID uuid) {
-		uuidMap.put(name, uuid);
+	    if (!uuidMap.containsKey(name) && !uuidMap.inverse().containsKey(uuid)) {
+	        uuidMap.put(name, uuid);
+	    }
 	}
 
 	/**
diff --git a/PlotSquared/src/com/intellectualcrafters/plot/generator/DefaultPlotWorld.java b/PlotSquared/src/com/intellectualcrafters/plot/generator/DefaultPlotWorld.java
index 0a9804df4..8e1e21ca7 100644
--- a/PlotSquared/src/com/intellectualcrafters/plot/generator/DefaultPlotWorld.java
+++ b/PlotSquared/src/com/intellectualcrafters/plot/generator/DefaultPlotWorld.java
@@ -6,6 +6,7 @@ import org.bukkit.configuration.ConfigurationSection;
 import com.intellectualcrafters.plot.Configuration;
 import com.intellectualcrafters.plot.ConfigurationNode;
 import com.intellectualcrafters.plot.PlotBlock;
+import com.intellectualcrafters.plot.PlotMain;
 import com.intellectualcrafters.plot.PlotWorld;
 
 public class DefaultPlotWorld extends PlotWorld {
@@ -160,6 +161,11 @@ public class DefaultPlotWorld extends PlotWorld {
 	@Override
 	public void loadConfiguration(ConfigurationSection config) {
 		this.PLOT_HEIGHT = config.getInt("plot.height");
+		
+		if (!config.contains("plot.height")) {
+		    PlotMain.sendConsoleSenderMessage(" - &Configuration is null? ("+config.getCurrentPath()+")");
+		}
+		
 		this.PLOT_WIDTH = config.getInt("plot.size");
 		this.MAIN_BLOCK =
 				(PlotBlock[]) Configuration.BLOCKLIST.parseString(StringUtils.join(config.getStringList("plot.filling"), ','));
diff --git a/PlotSquared/src/com/intellectualcrafters/plot/generator/WorldGenerator.java b/PlotSquared/src/com/intellectualcrafters/plot/generator/WorldGenerator.java
index b7844da51..4ceb846f7 100644
--- a/PlotSquared/src/com/intellectualcrafters/plot/generator/WorldGenerator.java
+++ b/PlotSquared/src/com/intellectualcrafters/plot/generator/WorldGenerator.java
@@ -7,11 +7,14 @@ import java.util.Random;
 import org.bukkit.Location;
 import org.bukkit.World;
 import org.bukkit.block.Biome;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.generator.BlockPopulator;
 
 import com.intellectualcrafters.plot.ConfigurationNode;
 import com.intellectualcrafters.plot.PlotBlock;
 import com.intellectualcrafters.plot.PlotGenerator;
+import com.intellectualcrafters.plot.PlotMain;
 import com.intellectualcrafters.plot.PlotManager;
 import com.intellectualcrafters.plot.PlotWorld;
 
@@ -148,6 +151,19 @@ public class WorldGenerator extends PlotGenerator {
 	public WorldGenerator(String world) {
 		super(world);
 		
+		if (this.plotworld == null) {
+		    this.plotworld = new DefaultPlotWorld(world);
+		    if (!PlotMain.config.contains("worlds."+world)) {
+		        PlotMain.config = YamlConfiguration.loadConfiguration(PlotMain.configFile);
+		        PlotMain.config.createSection("worlds."+world);
+		    }
+		    ConfigurationSection section = PlotMain.config.getConfigurationSection("worlds."+world);
+		    this.plotworld.saveConfiguration(section);
+		    this.plotworld.loadDefaultConfiguration(section);
+		    this.plotworld.loadConfiguration(section);
+		    PlotMain.sendConsoleSenderMessage("&cFailed to load the plotworld settings from the configuration. Attempting to reload it");
+		}
+		
 		this.plotsize = this.plotworld.PLOT_WIDTH;
 
 		this.pathsize = this.plotworld.ROAD_WIDTH;