diff --git a/TODO.md b/TODO.md
index 03e25c8..4d361a4 100644
--- a/TODO.md
+++ b/TODO.md
@@ -13,7 +13,7 @@
 | MET-009 |   Done   | Review custom scripts and resources for required updates to the Gradle build and modern Paper server workflow. |
 | MET-010 |   Done   | Refactor plugin logging to use JavaPlugin.getLogger(). |
 | MET-011 |   Done   | Refactor event listeners and registration to use Listener, @EventHandler, and the modern plugin manager API. |
-| MET-012 |   Ready  | Replace deprecated configuration APIs with the modern Bukkit/Paper configuration API, including load, save, and reload behavior. |
+| MET-012 |   Done   | Replace deprecated configuration APIs with the modern Bukkit/Paper configuration API, including load, save, and reload behavior. |
 | MET-013 |   Ready  | Replace Player-keyed storage with UUID-based storage wherever player identity is persisted or tracked. |
 | MET-014 |   Ready  | Review player lookup logic and use exact or otherwise explicit name-matching behavior where appropriate. |
 | MET-015 |   Ready  | Refactor remaining code that uses deprecated or removed Bukkit, Spigot, or Paper APIs so it is compatible with the target Paper API. |
diff --git a/src/main/java/com/majinnaibu/bukkitplugins/metropolis/MetropolisPlugin.java b/src/main/java/com/majinnaibu/bukkitplugins/metropolis/MetropolisPlugin.java
index bf00048..a5a0114 100644
--- a/src/main/java/com/majinnaibu/bukkitplugins/metropolis/MetropolisPlugin.java
+++ b/src/main/java/com/majinnaibu/bukkitplugins/metropolis/MetropolisPlugin.java
@@ -20,6 +20,8 @@ import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.PluginCommand;
 import org.bukkit.configuration.Configuration;
+import org.bukkit.configuration.InvalidConfigurationException;
+import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
@@ -38,7 +40,6 @@ import com.majinnaibu.bukkitplugins.metropolis.commands.MetropolisHomeMoveComman
 import com.majinnaibu.bukkitplugins.metropolis.commands.MetropolisPlotGoCommand;
 import com.majinnaibu.bukkitplugins.metropolis.commands.MetropolisPlotReserveCommand;
 import com.majinnaibu.bukkitplugins.metropolis.eventlisteners.PlayerJoinListener;
-import com.sk89q.util.yaml.YAMLProcessor;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
 import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
@@ -87,7 +88,7 @@ public class MetropolisPlugin extends JavaPlugin {
 	private Material roadSupportMaterial = Material.STONE;
 	private String worldName = "world";
 	private boolean generateFloor = false;
-	private Material floorMaterial = Material.GRASS;
+	private Material floorMaterial = Material.GRASS_BLOCK;
 	private int spaceAboveFloor = 2;
 	private boolean generateSign = false;
 	private boolean generateSpawn = true;
@@ -164,7 +165,7 @@ public class MetropolisPlugin extends JavaPlugin {
 		spawnFloorMaterial = safeGetMaterialFromConfig(config, "spawn.material");
 		generateWall = safeGetBooleanFromConfig(config, "wall.generate");
 		wallMaterial = safeGetMaterialFromConfig(config, "wall.material");
-		wallHeight = safeGetIntFromConfig(config, "wall.material");
+		wallHeight = safeGetIntFromConfig(config, "wall.height");
 		worldName = safeGetStringFromConfig(config, "worldname");
 		_maxPlots = safeGetIntFromConfig(config, "plot.multiplier");
 		_plotMultiplier = safeGetIntFromConfig(config, "plot.maxPerPlayer");
@@ -297,19 +298,24 @@ public class MetropolisPlugin extends JavaPlugin {
 	}
 	
 	private void loadCurrentHomes() {
-		YAMLProcessor processor = new YAMLProcessor(new File(getDataFolder(), "currentHomes.yml"), true);
+		File homesFile = new File(getDataFolder(), "currentHomes.yml");
+		if (!homesFile.exists()) {
+			return;
+		}
+		YamlConfiguration homes = new YamlConfiguration();
 		try {
-			processor.load();
-		} catch (IOException e) {
-			getLogger().info(e.toString());
+			homes.load(homesFile);
+		} catch (IOException | InvalidConfigurationException e) {
+			getLogger().log(java.util.logging.Level.SEVERE, "Unable to load currentHomes.yml", e);
 			return;
 		}
 		
-		Set<String> keys = processor.getMap().keySet();
-		
 		_currentHomes.clear();
-		for(String username : keys){
-			_currentHomes.put(username, processor.getInt(username, 0));
+		for(String username : homes.getKeys(false)){
+			int homeNumber = homes.getInt(username, 0);
+			if (homeNumber > 0) {
+				_currentHomes.put(username, homeNumber);
+			}
 		}
 	}
 
@@ -397,14 +403,20 @@ public class MetropolisPlugin extends JavaPlugin {
 	private Material safeGetMaterialFromConfig(Configuration config, String name){
 		Material material = null;
 		if(config.isInt(name)){
-			material = Material.getMaterial(config.getInt(name));
+			material = switch (config.getInt(name)) {
+				case 1 -> Material.STONE;
+				case 2 -> Material.GRASS_BLOCK;
+				case 4 -> Material.COBBLESTONE;
+				case 7 -> Material.BEDROCK;
+				default -> null;
+			};
 		}else if(config.isString(name)){
-			material = Material.getMaterial(config.getString(name));
-			if(material== null){
-				material = Material.matchMaterial(config.getString(name));
-			}
+			material = Material.matchMaterial(config.getString(name));
+		}
+		if (material == null) {
+			getLogger().severe("Invalid material configured at " + name);
+			throwInvalidConfigException();
 		}
-		
 		return material;
 	}
 
@@ -1077,11 +1089,14 @@ public class MetropolisPlugin extends JavaPlugin {
 	}
 
 	private void saveCurrentHomes() {
-		File outFile = new File(getDataFolder(), "currentHomes.yml");
-				
-		// TODO Auto-generated method stub
-		
-		//YAMLProcessor processor = new YAMLProcessor(new File(getDataFolder(), "currentHomes.yml"), true);
-		//processor.save();
+		File homesFile = new File(getDataFolder(), "currentHomes.yml");
+		YamlConfiguration homes = new YamlConfiguration();
+		_currentHomes.forEach(homes::set);
+		try {
+			getDataFolder().mkdirs();
+			homes.save(homesFile);
+		} catch (IOException e) {
+			getLogger().log(java.util.logging.Level.SEVERE, "Unable to save currentHomes.yml", e);
+		}
 	}
 }
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index ce4408e..cfe6540 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,29 +1,37 @@
 plot:
-  sizeX: 32
  sizeY: 256
-  sizeZ: 32
  offsetX: 0
  offsetY: 0
  offsetZ: 0
  multiplier: 1
  maxPerPlayer: 1
  initial: 1
+  sizeX: 32
+  sizeY: 256
+  sizeZ: 32
+  offsetX: 0
+  offsetY: 0
+  offsetZ: 0
+  multiplier: 1
+  maxPerPlayer: 1
+  initial: 1
   floor:
     generate: true
     clearSpaceAbove: 66
-    material: 2
+    material: GRASS_BLOCK
     supports:
       generate: true
-      material: 1
+      material: STONE
   sign:
-    generate: true
road:
+    generate: true
+road:
   width: 4
   clearSpaceAbove: 66
   level: 62
-  material: 4
+  material: COBBLESTONE
   supports:
     generate: true
-    material: 1
+    material: STONE
 spawn:
   generate: true
   setAsWorldSpawn: true
-  material: 2
+  material: GRASS_BLOCK
 wall:
   generate: true
-  material: 7
+  material: BEDROCK
   height: 66
 worldname: world
 userOverrides: