diff --git a/src/main/java/it/ohalee/minecraftgpt/Main.java b/src/main/java/it/ohalee/minecraftgpt/Main.java
index 1f4cc09..3819bc4 100644
--- a/src/main/java/it/ohalee/minecraftgpt/Main.java
+++ b/src/main/java/it/ohalee/minecraftgpt/Main.java
@@ -13,28 +13,30 @@ import java.util.concurrent.TimeUnit;
 public class Main extends JavaPlugin {
 
     public static Cache<Player, StringBuilder> CACHE;
-    public static Cache<Player, Type> USER_TYPE;
+    public static Cache<Player, Type> USER_TYPE = CacheBuilder.newBuilder().build();
 
     @Override
     public void onEnable() {
         saveDefaultConfig();
 
-        OpenAI.init(getConfig().getString("API_KEY"));
+        OpenAI.init(getConfig().getString("API_KEY")).exceptionallyAsync(throwable -> {
+            getLogger().severe("Error while initializing OpenAI service! Is your API key valid?");
+            throwable.printStackTrace();
+            return null;
+        });
 
         CACHE = CacheBuilder.newBuilder()
                 .expireAfterWrite(30, TimeUnit.MINUTES)
                 .removalListener((RemovalListener<Player, StringBuilder>) notification -> {
-                    if (notification.getKey() == null) {
-                        return;
-                    }
+                    if (notification.getKey() == null) return;
                     USER_TYPE.invalidate(notification.getKey());
                     if (notification.getCause() == RemovalCause.EXPIRED) {
                         notification.getKey().sendMessage(Messages.format(getConfig().getString("command.toggle.disabled")));
                     }
                 }).build();
-        USER_TYPE = CacheBuilder.newBuilder().build();
 
         getServer().getPluginManager().registerEvents(new PlayerHandlers(this), this);
+
         ChatCommand command = new ChatCommand(this);
         PluginCommand chatgpt = getCommand("chatgpt");
         chatgpt.setExecutor(command);
diff --git a/src/main/java/it/ohalee/minecraftgpt/OpenAI.java b/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
index a87e80c..1f77011 100644
--- a/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
+++ b/src/main/java/it/ohalee/minecraftgpt/OpenAI.java
@@ -11,8 +11,8 @@ public class OpenAI {
 
     private static OpenAiService service;
 
-    public static void init(String key) {
-        service = new OpenAiService(key, 0);
+    public static CompletableFuture<Void> init(String key) {
+        return CompletableFuture.runAsync(() -> service = new OpenAiService(key, 5));
     }
 
     public static CompletableFuture<String> getResponse(ConfigurationSection section, StringBuilder cached, String message) {
diff --git a/src/main/java/it/ohalee/minecraftgpt/handler/PlayerHandlers.java b/src/main/java/it/ohalee/minecraftgpt/handler/PlayerHandlers.java
index 7a03812..1686b5b 100644
--- a/src/main/java/it/ohalee/minecraftgpt/handler/PlayerHandlers.java
+++ b/src/main/java/it/ohalee/minecraftgpt/handler/PlayerHandlers.java
@@ -37,7 +37,7 @@ public class PlayerHandlers implements Listener {
             return;
         }
 
-        Collection<Player> recipients = switch (Main.USER_TYPE.asMap().getOrDefault(player, hasFull ? Type.FULL : Type.SINGLE) ) {
+        Collection<Player> recipients = switch (Main.USER_TYPE.asMap().getOrDefault(player, hasFull ? Type.FULL : Type.SINGLE)) {
             case SINGLE -> Collections.singletonList(player);
             case FULL, BROADCAST -> e.getRecipients();
         };