diff --git a/src/main/java/com/seibel/lod/builders/LodBufferBuilder.java b/src/main/java/com/seibel/lod/builders/LodBufferBuilder.java
index 1a5f9afc5..9e5eb2a4c 100644
--- a/src/main/java/com/seibel/lod/builders/LodBufferBuilder.java
+++ b/src/main/java/com/seibel/lod/builders/LodBufferBuilder.java
@@ -105,8 +105,8 @@ public class LodBufferBuilder
 	 */
 	private ReentrantLock bufferLock = new ReentrantLock();
 
-	private Object[][] setsToRender;
-	private RegionPos center;
+	private volatile Object[][] setsToRender;
+	private volatile RegionPos center;
 
 	public LodBufferBuilder()
 	{
@@ -346,7 +346,7 @@ public class LodBufferBuilder
 	 * <p>
 	 * Synchronized to prevent multiple moves happening on top of each other.
 	 */
-	public synchronized void move(RegionPos regionOffset, int width)
+	public void move(RegionPos regionOffset, int width)
 	{
 		int xOffset = regionOffset.x;
 		int zOffset = regionOffset.z;
diff --git a/src/main/java/com/seibel/lod/objects/LodDimension.java b/src/main/java/com/seibel/lod/objects/LodDimension.java
index 992c111cb..bf00ec13c 100644
--- a/src/main/java/com/seibel/lod/objects/LodDimension.java
+++ b/src/main/java/com/seibel/lod/objects/LodDimension.java
@@ -522,6 +522,10 @@ public class LodDimension
 		{
 			LodRegion region = getRegion(regionPos);
 			region.getDataToRender(dataToRender, playerPosX, playerPosZ);
+		} catch (NullPointerException e)
+		{
+			System.out.println(regionPos);
+			e.printStackTrace();
 		} catch (Exception e)
 		{
 			//e.printStackTrace();
diff --git a/src/main/java/com/seibel/lod/objects/LodRegion.java b/src/main/java/com/seibel/lod/objects/LodRegion.java
index 584e5aa16..ffba56c32 100644
--- a/src/main/java/com/seibel/lod/objects/LodRegion.java
+++ b/src/main/java/com/seibel/lod/objects/LodRegion.java
@@ -313,7 +313,14 @@ public class LodRegion implements Serializable
 			if (dataToRender.containsKey(levelPos))
 			{
 				levelPos.changeParameters(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
-				dataToRender.get(levelPos).setTrue();
+				try
+				{
+					dataToRender.get(levelPos).setTrue();
+				}catch (Exception e){
+					/*TODO Fix this exception*/
+					System.out.println("error happened " + levelPos.getRegionPos());
+					dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
+				}
 			} else
 			{
 				dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
@@ -348,9 +355,14 @@ public class LodRegion implements Serializable
 
 				levelPos.changeParameters(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
 				if (dataToRender.containsKey(levelPos))
+				{
+					if (dataToRender.get(levelPos) == null)
+						dataToRender.replace(levelPos, new MutableBoolean());
 					dataToRender.get(levelPos).setTrue();
-				else
+				} else
+				{
 					dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
+				}
 			}
 		}
 	}