Resolving a few issues with playability. Should be a bit better.

src/main/java/com/gmail/nossr50/config/HiddenConfig.java

@@ -28,7 +28,7 @@ public class HiddenConfig {
         if (mcMMO.p.getResource(fileName) != null) {
             config = YamlConfiguration.loadConfiguration(mcMMO.p.getResource(fileName));
             chunkletsEnabled = config.getBoolean("Options.Chunklets", true);
-            conversionRate = config.getInt("Options.ConversionRate", 3);
+            conversionRate = config.getInt("Options.ConversionRate", 1);
         }
     }
 

src/main/resources/hidden.yml

@@ -6,4 +6,4 @@ Options:
     # true to use Chunklets metadata store system, false to disable
     Chunklets: true
     # Square root of the number of chunks to convert per tick.
-    ConversionRate: 3
+    ConversionRate: 1