Try this.
Index: java/org/l2jmobius/gameserver/network/serverpackets/CreatureSay.java
===================================================================
--- java/org/l2jmobius/gameserver/network/serverpackets/CreatureSay.java (revision 9415)
+++ java/org/l2jmobius/gameserver/network/serverpackets/CreatureSay.java (working copy)
@@ -50,6 +50,10 @@
_sender = sender;
_chatType = chatType;
_messageId = npcStringId.getId();
+ if (sender != null)
+ {
+ _senderName = sender.getName();
+ }
}
public CreatureSay(ChatType chatType, int charId, SystemMessageId systemMessageId)