diff --git a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hooks/FakePlayer.java b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hooks/FakePlayer.java
index 50c4753f..5d818014 100644
--- a/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hooks/FakePlayer.java
+++ b/bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hooks/FakePlayer.java
@@ -1424,4 +1424,34 @@ public class FakePlayer implements Player {
     public boolean isCollidable() {
         throw new UnsupportedOperationException("Not supported yet.");
     }
+
+    @Override
+    public void stopSound(Sound sound) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void stopSound(String sound) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public boolean isSilent() {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setSilent(boolean flag) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public boolean hasGravity() {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void setGravity(boolean gravity) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
 }
diff --git a/bungee/src/main/java/com/github/games647/fastlogin/bungee/listener/PluginMessageListener.java b/bungee/src/main/java/com/github/games647/fastlogin/bungee/listener/PluginMessageListener.java
index 04b95f1e..c32a4ecf 100644
--- a/bungee/src/main/java/com/github/games647/fastlogin/bungee/listener/PluginMessageListener.java
+++ b/bungee/src/main/java/com/github/games647/fastlogin/bungee/listener/PluginMessageListener.java
@@ -45,31 +45,31 @@ public class PluginMessageListener implements Listener {
         ByteArrayDataInput dataInput = ByteStreams.newDataInput(data);
         String subchannel = dataInput.readUTF();
 
-        ProxiedPlayer fromPlayer = (ProxiedPlayer) pluginMessageEvent.getReceiver();
+        ProxiedPlayer forPlayer = (ProxiedPlayer) pluginMessageEvent.getReceiver();
         if ("ON".equals(subchannel)) {
             String playerName = dataInput.readUTF();
 
-            if (playerName.equals(fromPlayer.getName()) && plugin.getConfig().getBoolean("premium-warning")
-                    && !plugin.getPendingConfirms().contains(fromPlayer.getUniqueId())) {
-                fromPlayer.sendMessage(TextComponent.fromLegacyText(plugin.getCore().getMessage("premium-warning")));
-                plugin.getPendingConfirms().add(fromPlayer.getUniqueId());
+            if (playerName.equals(forPlayer.getName()) && plugin.getConfig().getBoolean("premium-warning")
+                    && !plugin.getPendingConfirms().contains(forPlayer.getUniqueId())) {
+                forPlayer.sendMessage(TextComponent.fromLegacyText(plugin.getCore().getMessage("premium-warning")));
+                plugin.getPendingConfirms().add(forPlayer.getUniqueId());
                 return;
             }
 
-            plugin.getPendingConfirms().remove(fromPlayer.getUniqueId());
-            AsyncToggleMessage task = new AsyncToggleMessage(plugin, fromPlayer, playerName, true);
+            plugin.getPendingConfirms().remove(forPlayer.getUniqueId());
+            AsyncToggleMessage task = new AsyncToggleMessage(plugin, forPlayer, playerName, true);
             ProxyServer.getInstance().getScheduler().runAsync(plugin, task);
         } else if ("OFF".equals(subchannel)) {
             String playerName = dataInput.readUTF();
 
-            AsyncToggleMessage task = new AsyncToggleMessage(plugin, fromPlayer, playerName, false);
+            AsyncToggleMessage task = new AsyncToggleMessage(plugin, forPlayer, playerName, false);
             ProxyServer.getInstance().getScheduler().runAsync(plugin, task);
         } else if ("SUCCESS".equals(subchannel)) {
-            if (fromPlayer.getPendingConnection().isOnlineMode()) {
+            if (forPlayer.getPendingConnection().isOnlineMode()) {
                 //bukkit module successfully received and force logged in the user
                 //update only on success to prevent corrupt data
-                PlayerProfile playerProfile = plugin.getCore().getStorage().loadProfile(fromPlayer.getName());
-                BungeeLoginSession loginSession = plugin.getSession().get(fromPlayer.getPendingConnection());
+                PlayerProfile playerProfile = plugin.getCore().getStorage().loadProfile(forPlayer.getName());
+                BungeeLoginSession loginSession = plugin.getSession().get(forPlayer.getPendingConnection());
                 loginSession.setRegistered(true);
 
                 if (!loginSession.isAlreadySaved()) {
diff --git a/bungee/src/main/java/com/github/games647/fastlogin/bungee/tasks/ForceLoginTask.java b/bungee/src/main/java/com/github/games647/fastlogin/bungee/tasks/ForceLoginTask.java
index 4521df91..41c57c40 100644
--- a/bungee/src/main/java/com/github/games647/fastlogin/bungee/tasks/ForceLoginTask.java
+++ b/bungee/src/main/java/com/github/games647/fastlogin/bungee/tasks/ForceLoginTask.java
@@ -31,12 +31,14 @@ public class ForceLoginTask implements Runnable {
         try {
             PendingConnection pendingConnection = player.getPendingConnection();
             BungeeLoginSession session = plugin.getSession().get(pendingConnection);
-            PlayerProfile playerProfile = session.getProfile();
 
-            if (!player.isConnected()) {
+            if (session == null || !player.isConnected()) {
+                plugin.getLogger().log(Level.FINE, "Invalid session player {0} proparly left the server", player);
                 return;
             }
 
+            PlayerProfile playerProfile = session.getProfile();
+
             //force login only on success
             if (pendingConnection.isOnlineMode()) {
                 boolean autoRegister = session.needsRegistration();
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/MojangApiConnector.java b/core/src/main/java/com/github/games647/fastlogin/core/MojangApiConnector.java
index 0f66f835..ad749647 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/MojangApiConnector.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/MojangApiConnector.java
@@ -112,6 +112,7 @@ public abstract class MojangApiConnector {
         try {
             HttpURLConnection httpConnection = (HttpURLConnection) new URL(MCAPI_UUID_URL + playerName).openConnection();
             httpConnection.addRequestProperty("Content-Type", "application/json");
+            httpConnection.setRequestProperty("User-Agent", USER_AGENT);
 
             if (httpConnection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
                 //cracked