Broadcast prohibitions.

Thanks Sahar.

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/L2Character.java

@@ -2505,6 +2505,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 	
 	public void broadcastModifiedStats(Set<Stats> changed)
 	{
+		if (!isSpawned())
+		{
+			return;
+		}
+		
 		if ((changed == null) || changed.isEmpty())
 		{
 			return;

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/serverpackets/DropItem.java

@@ -34,6 +34,13 @@ public class DropItem implements IClientOutgoingPacket
 	{
 		_item = item;
 		_charObjId = playerObjId;
+		
+		// Future test.
+		if ((_item.getX() == 0) && (_item.getY() == 0))
+		{
+			LOGGER.warning("DropItem with x=0 and y=0.");
+			Thread.dumpStack(); // Why? Also check SpawnItem, just in case.
+		}
 	}
 	
 	@Override

L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/network/serverpackets/SpawnItem.java

@@ -36,6 +36,13 @@ public final class SpawnItem implements IClientOutgoingPacket
 		_y = obj.getY();
 		_z = obj.getZ();
 		
+		// Future test.
+		if ((_x == 0) && (_y == 0))
+		{
+			LOGGER.warning("SpawnItem with x=0 and y=0.");
+			Thread.dumpStack(); // Why? Also check DropItem, just in case.
+		}
+		
 		if (obj.isItem())
 		{
 			final L2ItemInstance item = (L2ItemInstance) obj;