Added more checks.

LightlessSync/Services/NameplateHandler.cs

@@ -571,6 +571,7 @@ public unsafe class NameplateHandler : IMediatorSubscriber
         var nameplateObject = GetNameplateObject(i);
         return nameplateObject != null ? nameplateObject.Value.RootComponentNode : null;
     }
+
     private HashSet<ulong> VisibleUserIds => [.. _pairManager.GetOnlineUserPairs()
             .Where(u => u.IsVisible && u.PlayerCharacterId != uint.MaxValue)
             .Select(u => (ulong)u.PlayerCharacterId)];