diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/AuthCoreProvider.java b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/AuthCoreProvider.java
index e9860fd7..5899d5b0 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/AuthCoreProvider.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/core/AuthCoreProvider.java
@@ -286,6 +286,9 @@ public void invoke(String... args) throws Exception {
 
     public User checkServer(Client client, String username, String serverID) throws IOException {
         User user = getUserByUsername(username);
+        if (user == null) {
+            return null;
+        }
         if (user.getUsername().equals(username) && user.getServerId().equals(serverID)) {
             return user;
         }
diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/AuthManager.java b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/AuthManager.java
index 3c356547..cf88ddc2 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/AuthManager.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/manangers/AuthManager.java
@@ -235,6 +235,9 @@ public PlayerProfile getPlayerProfile(Client client) {
         PlayerProfile playerProfile;
         if (client.useOAuth) {
             User user = client.getUser();
+            if (user == null) {
+                return null;
+            }
             playerProfile = getPlayerProfile(client.auth, user);
             if (playerProfile != null) return playerProfile;
         }
@@ -253,6 +256,9 @@ public PlayerProfile getPlayerProfile(AuthProviderPair pair, String username, Cl
         UUID uuid = null;
         if (pair.isUseCore()) {
             User user = pair.core.getUserByUsername(username);
+            if (user == null) {
+                return null;
+            }
             PlayerProfile playerProfile = getPlayerProfile(pair, user);
             uuid = user.getUUID();
             if (playerProfile != null) return playerProfile;
@@ -280,6 +286,9 @@ public PlayerProfile getPlayerProfile(AuthProviderPair pair, UUID uuid, ClientPr
         String username = null;
         if (pair.isUseCore()) {
             User user = pair.core.getUserByUUID(uuid);
+            if (user == null) {
+                return null;
+            }
             PlayerProfile playerProfile = getPlayerProfile(pair, user);
             username = user.getUsername();
             if (playerProfile != null) return playerProfile;