Correction for classes not extending AbstractItemPacket.

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/ExBuySellList.java

@@ -31,7 +31,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
 /**
  * @author ShanSoft
  */
-public class ExBuySellList extends AbstractItemPacket
+public class ExBuySellList implements IClientOutgoingPacket
 {
 	private final int _buyListId;
 	private final List<Product> _buyList = new ArrayList<>();

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/ExReplyPostItemList.java

@@ -25,7 +25,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
  * @author Migi, DS
  */
 
-public class ExReplyPostItemList extends AbstractItemPacket
+public class ExReplyPostItemList implements IClientOutgoingPacket
 {
 	PlayerInstance _player;
 	private final ItemInstance[] _itemList;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/ExReplyReceivedPost.java

@@ -25,7 +25,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
 /**
  * @author Migi, DS
  */
-public class ExReplyReceivedPost extends AbstractItemPacket
+public class ExReplyReceivedPost implements IClientOutgoingPacket
 {
 	private final Message _msg;
 	private ItemInstance[] _items = null;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/ExReplySentPost.java

@@ -26,7 +26,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
  * ExReplySentPost packet implementation.
  * @author Migi, DS
  */
-public class ExReplySentPost extends AbstractItemPacket
+public class ExReplySentPost implements IClientOutgoingPacket
 {
 	private final Message _msg;
 	private ItemInstance[] _items = null;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/PrivateStoreListBuy.java

@@ -23,7 +23,7 @@ import org.l2jmobius.gameserver.model.TradeItem;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class PrivateStoreListBuy extends AbstractItemPacket
+public class PrivateStoreListBuy implements IClientOutgoingPacket
 {
 	private final int _objId;
 	private final long _playerAdena;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/PrivateStoreListSell.java

@@ -22,7 +22,7 @@ import org.l2jmobius.gameserver.model.TradeItem;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class PrivateStoreListSell extends AbstractItemPacket
+public class PrivateStoreListSell implements IClientOutgoingPacket
 {
 	private final PlayerInstance _player;
 	private final PlayerInstance _seller;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/PrivateStoreManageListBuy.java

@@ -22,7 +22,7 @@ import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class PrivateStoreManageListBuy extends AbstractItemPacket
+public class PrivateStoreManageListBuy implements IClientOutgoingPacket
 {
 	private final int _objId;
 	private final long _playerAdena;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/PrivateStoreManageListSell.java

@@ -21,7 +21,7 @@ import org.l2jmobius.gameserver.model.TradeItem;
 import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class PrivateStoreManageListSell extends AbstractItemPacket
+public class PrivateStoreManageListSell implements IClientOutgoingPacket
 {
 	private final int _objId;
 	private final long _playerAdena;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/TradeOtherAdd.java

@@ -23,7 +23,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
 /**
  * @author Yme
  */
-public class TradeOtherAdd extends AbstractItemPacket
+public class TradeOtherAdd implements IClientOutgoingPacket
 {
 	private final TradeItem _item;
 	

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/TradeOwnAdd.java

@@ -23,7 +23,7 @@ import org.l2jmobius.gameserver.network.OutgoingPackets;
 /**
  * @author Yme
  */
-public class TradeOwnAdd extends AbstractItemPacket
+public class TradeOwnAdd implements IClientOutgoingPacket
 {
 	private final TradeItem _item;
 	

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/TradeStart.java

@@ -23,7 +23,7 @@ import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class TradeStart extends AbstractItemPacket
+public class TradeStart implements IClientOutgoingPacket
 {
 	private final PlayerInstance _player;
 	private final ItemInstance[] _itemList;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/WareHouseDepositList.java

@@ -24,7 +24,7 @@ import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class WareHouseDepositList extends AbstractItemPacket
+public class WareHouseDepositList implements IClientOutgoingPacket
 {
 	public static final int PRIVATE = 1;
 	public static final int CLAN = 4;

L2J_Mobius_CT_2.4_Epilogue/java/org/l2jmobius/gameserver/network/serverpackets/WareHouseWithdrawalList.java

@@ -21,7 +21,7 @@ import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
 import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
 import org.l2jmobius.gameserver.network.OutgoingPackets;
 
-public class WareHouseWithdrawalList extends AbstractItemPacket
+public class WareHouseWithdrawalList implements IClientOutgoingPacket
 {
 	public static final int PRIVATE = 1;
 	public static final int CLAN = 4;