Fixed bug with saving to flat file.

Must remember to include blank constructor so Beans can create the
object!

config.yml

@@ -308,7 +308,7 @@ blocks:
 # If a block is not listed, the default value will be used
 # Prefix with world name
 worlds:
-  AcidIsland-world:
+  AcidIsland_world:
     SAND: 0
     SANDSTONE: 0
     ICE: 0

src/main/java/bskyblock/addon/level/config/Settings.java

@@ -96,7 +96,7 @@ public class Settings {
                         worldBlockValues.put(bWorld, values);
                     }
                 } else {
-                    level.getLogger().severe("No such world : " + world);
+                    level.getLogger().severe("Level Addon: No such world : " + world);
                 }
             }
         }

src/main/java/bskyblock/addon/level/database/object/LevelsData.java

@@ -20,6 +20,8 @@ public class LevelsData implements DataObject {
     @Expose
     private Map<String, Long> levels = new HashMap<>();
     
+    public LevelsData() {} // For Bean loading
+
     /**
      * Create a level entry for target player
      * @param targetPlayer

src/main/java/bskyblock/addon/level/database/object/TopTenData.java

@@ -23,6 +23,8 @@ public class TopTenData implements DataObject {
     @Expose
     private Map<UUID, Long> topTen = new LinkedHashMap<>();
     
+    public TopTenData() {}
+
     public Map<UUID, Long> getTopTen() {
         return topTen.entrySet().stream()
                 .sorted(Collections.reverseOrder(Map.Entry.comparingByValue())).limit(10)