diff --git a/bukkit/build.gradle.kts b/bukkit/build.gradle.kts
index accca14..32150a6 100644
--- a/bukkit/build.gradle.kts
+++ b/bukkit/build.gradle.kts
@@ -3,8 +3,11 @@ plugins {
 }
 
 repositories {
-    maven("https://repo.papermc.io/repository/maven-public/")
     maven("https://repo.extendedclip.com/content/repositories/placeholderapi")
+
+    maven("https://hub.spigotmc.org/nexus/content/repositories/snapshots/")
+    maven("https://oss.sonatype.org/content/repositories/snapshots")
+    maven("https://oss.sonatype.org/content/repositories/central")
 }
 
 dependencies {
@@ -13,7 +16,7 @@ dependencies {
     implementation("dev.jorel:commandapi-bukkit-shade:9.1.0")
     implementation("net.kyori:adventure-platform-bukkit:4.2.0")
 
-    compileOnly("io.papermc.paper:paper-api:1.20.1-R0.1-SNAPSHOT")
+    compileOnly("org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT")
 
     // PlaceholderAPI
     compileOnly("me.clip:placeholderapi:2.11.3")
diff --git a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/BukkitLightEcoBootstrap.java b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/BukkitLightEcoBootstrap.java
index bba9b26..fde3d0e 100644
--- a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/BukkitLightEcoBootstrap.java
+++ b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/BukkitLightEcoBootstrap.java
@@ -29,7 +29,7 @@ public class BukkitLightEcoBootstrap implements LightEcoBootstrap, LoaderBootstr
     public BukkitLightEcoBootstrap(JavaPlugin loader) {
         this.loader = loader;
 
-        this.logger = new BukkitLogger(loader.getSLF4JLogger());
+        this.logger = new BukkitLogger(loader.getLogger());
         this.scheduler = new BukkitSchedulerAdapter(this);
     }
 
diff --git a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/hooks/Hooks.java b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/hooks/Hooks.java
index 9721f71..a820a55 100644
--- a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/hooks/Hooks.java
+++ b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/hooks/Hooks.java
@@ -1,8 +1,10 @@
 package dev.xhyrom.lighteco.bukkit.hooks;
 
 import dev.xhyrom.lighteco.bukkit.BukkitLightEcoPlugin;
+import lombok.experimental.UtilityClass;
 import org.bukkit.Bukkit;
 
+@UtilityClass
 public class Hooks {
     private static PlaceholderAPIExpansion placeholderAPIExpansion;
 
diff --git a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/listeners/BukkitConnectionListener.java b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/listeners/BukkitConnectionListener.java
index 4c8aaad..c8176b2 100644
--- a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/listeners/BukkitConnectionListener.java
+++ b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/listeners/BukkitConnectionListener.java
@@ -2,7 +2,9 @@ package dev.xhyrom.lighteco.bukkit.listeners;
 
 import dev.xhyrom.lighteco.bukkit.BukkitLightEcoPlugin;
 import dev.xhyrom.lighteco.common.model.user.User;
+import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
@@ -32,9 +34,16 @@ public class BukkitConnectionListener implements Listener {
             this.plugin.getBootstrap().getLogger()
                     .error("Failed to load user data for %s (%s)", e, event.getName(), event.getUniqueId());
 
-            event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER, miniMessage.deserialize(
+            Component reason = miniMessage.deserialize(
                     "<bold>LightEco</bold> <red>Failed to load your data. Contact a staff member for assistance."
-            ));
+            );
+
+            event.disallow(
+                    AsyncPlayerPreLoginEvent.Result.KICK_OTHER,
+                    LegacyComponentSerializer.legacySection().serialize(
+                            reason
+                    )
+            );
         }
     }
 
diff --git a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/logger/BukkitLogger.java b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/logger/BukkitLogger.java
index 3c9d750..7d4d6f7 100644
--- a/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/logger/BukkitLogger.java
+++ b/bukkit/src/main/java/dev/xhyrom/lighteco/bukkit/logger/BukkitLogger.java
@@ -1,7 +1,9 @@
 package dev.xhyrom.lighteco.bukkit.logger;
 
 import dev.xhyrom.lighteco.common.plugin.logger.PluginLogger;
-import org.slf4j.Logger;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class BukkitLogger implements PluginLogger {
     private final Logger logger;
@@ -22,41 +24,41 @@ public class BukkitLogger implements PluginLogger {
 
     @Override
     public void warn(String message) {
-        this.logger.warn(message);
+        this.logger.log(Level.WARNING, message);
     }
 
     @Override
     public void warn(String message, Object... args) {
-        this.logger.warn(String.format(message, args));
+        this.logger.log(Level.WARNING, String.format(message, args));
     }
 
     @Override
     public void warn(String message, Throwable throwable) {
-        this.logger.warn(message, throwable);
+        this.logger.log(Level.WARNING, message, throwable);
     }
 
     @Override
     public void warn(String message, Throwable throwable, Object... args) {
-        this.logger.warn(String.format(message, args), throwable);
+        this.logger.log(Level.WARNING, String.format(message, args), throwable);
     }
 
     @Override
     public void error(String message) {
-        this.logger.error(message);
+        this.logger.severe(message);
     }
 
     @Override
     public void error(String message, Object... args) {
-        this.logger.error(String.format(message, args));
+        this.logger.severe(String.format(message, args));
     }
 
     @Override
     public void error(String message, Throwable throwable) {
-        this.logger.error(message, throwable);
+        this.logger.log(Level.SEVERE, message, throwable);
     }
 
     @Override
     public void error(String message, Throwable throwable, Object... args) {
-        this.logger.error(String.format(message, args), throwable);
+        this.logger.log(Level.SEVERE, String.format(message, args), throwable);
     }
 }
diff --git a/bukkit/src/main/resources/plugin.yml b/bukkit/src/main/resources/plugin.yml
index dfbae68..0d7f4be 100644
--- a/bukkit/src/main/resources/plugin.yml
+++ b/bukkit/src/main/resources/plugin.yml
@@ -3,7 +3,7 @@ description: ${description}
 version: ${version}
 main: dev.xhyrom.lighteco.bukkit.BukkitLightEcoLoader
 author: ${author}
-api-version: 1.20
+api-version: 1.16
 load: STARTUP
 
 softdepend:
diff --git a/currency-money/README.md b/currency-money/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/currency-money/src/main/java/dev/xhyrom/lighteco/currency/money/bukkit/BukkitMCLoader.java b/currency-money/src/main/java/dev/xhyrom/lighteco/currency/money/bukkit/BukkitMCLoader.java
index 1d531a0..e7256cc 100644
--- a/currency-money/src/main/java/dev/xhyrom/lighteco/currency/money/bukkit/BukkitMCLoader.java
+++ b/currency-money/src/main/java/dev/xhyrom/lighteco/currency/money/bukkit/BukkitMCLoader.java
@@ -7,8 +7,12 @@ import dev.xhyrom.lighteco.api.manager.CurrencyManager;
 import dev.xhyrom.lighteco.api.model.currency.Currency;
 import dev.xhyrom.lighteco.currency.money.bukkit.hooks.vault.VaultFactory;
 import dev.xhyrom.lighteco.currency.money.common.MoneyCurrency;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.UUID;
+
 public class BukkitMCLoader extends JavaPlugin {
     private VaultFactory vaultFactory;
 
@@ -24,7 +28,7 @@ public class BukkitMCLoader extends JavaPlugin {
         commandManager.registerCurrencyCommand(currency, true);
 
         if (getServer().getPluginManager().getPlugin("Vault") != null) {
-            getSLF4JLogger().info("Vault found, hooking...");
+            getLogger().info("Vault found, hooking...");
 
             this.vaultFactory = new VaultFactory(this);
             this.vaultFactory.hook();