Prohibit recalculateStats while changing class.

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/actor/instance/PlayerInstance.java

@@ -2464,6 +2464,7 @@ public class PlayerInstance extends Playable
 		finally
 		{
 			_subclassLock = false;
+			getStat().recalculateStats(false);
 		}
 	}
 	
@@ -9522,6 +9523,7 @@ public class PlayerInstance extends Playable
 		finally
 		{
 			_subclassLock = false;
+			getStat().recalculateStats(false);
 		}
 	}
 	
@@ -9617,6 +9619,7 @@ public class PlayerInstance extends Playable
 		finally
 		{
 			_subclassLock = false;
+			getStat().recalculateStats(false);
 		}
 		
 		return addSubClass(newClassId, classIndex, isDualClass);
@@ -9887,6 +9890,7 @@ public class PlayerInstance extends Playable
 		finally
 		{
 			_subclassLock = false;
+			getStat().recalculateStats(false);
 		}
 	}
 	

L2J_Mobius_Classic_2.3_SevenSigns/java/org/l2jmobius/gameserver/model/actor/stat/PlayerStat.java

@@ -705,6 +705,15 @@ public class PlayerStat extends PlayableStat
 		return type == null ? 0 : getValue(type.getDefenseStat(), base);
 	}
 	
+	@Override
+	public void recalculateStats(boolean broadcast)
+	{
+		if (!getActiveChar().isChangingClass())
+		{
+			super.recalculateStats(broadcast);
+		}
+	}
+	
 	@Override
 	protected void onRecalculateStats(boolean broadcast)
 	{