Quelqu'un

package net.sf.l2j.gameserver.model.actor.instance;import java.util.List;import javolution.util.FastList;import net.sf.l2j.gameserver.MonsterRace;import net.sf.l2j.gameserver.ThreadPoolManager;import net.sf.l2j.gameserver.idfactory.IdFactory;import net.sf.l2j.gameserver.model.L2ItemInstance;import net.sf.l2j.gameserver.model.actor.knownlist.RaceManagerKnownList;import net.sf.l2j.gameserver.serverpackets.ActionFailed;import net.sf.l2j.gameserver.serverpackets.DeleteObject;import net.sf.l2j.gameserver.serverpackets.InventoryUpdate;import net.sf.l2j.gameserver.serverpackets.MonRaceInfo;import net.sf.l2j.gameserver.serverpackets.NpcHtmlMessage;import net.sf.l2j.gameserver.serverpackets.PlaySound;import net.sf.l2j.gameserver.serverpackets.ServerBasePacket;import net.sf.l2j.gameserver.serverpackets.SystemMessage;import net.sf.l2j.gameserver.templates.L2NpcTemplate;import net.sf.l2j.gameserver.util.Broadcast;public class L2JukeboxInstance extends L2NpcInstance{    public void onBypassFeedback(L2PcInstance player, String command)	{	if (command.startsWith("jukebox"))		{            try            {                jukebox(activeChar,command.substring(17));            }            catch (StringIndexOutOfBoundsException e)            { }		}	}		public void jukebox(L2PcInstance activeChar, String sound)	{		PlaySound _snd = new PlaySound(1,sound,0,0,0,0,0);		activeChar.sendPacket(_snd);		activeChar.broadcastPacket(_snd);		showMainPage(activeChar);		SystemMessage _sm = new SystemMessage(614);		_sm.addString("Playing "+sound+".");		activeChar.sendPacket(_sm);	}}Error on compilation :compile:    [javac] Compiling 1007 source files to C:\Workspace\[l2j]Server\build\classes    [javac] C:\Workspace\[l2j]Server\java\net\sf\l2j\gameserver\model\actor\instance\L2JukeboxInstance.java:22: cannot find symbol    [javac] symbol  : constructor L2NpcInstance()    [javac] location: class net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance    [javac] public class L2JukeboxInstance extends L2NpcInstance    [javac] ^    [javac] C:\Workspace\[l2j]Server\java\net\sf\l2j\gameserver\model\actor\instance\L2JukeboxInstance.java:31: cannot find symbol    [javac] symbol  : variable activeChar    [javac] location: class net.sf.l2j.gameserver.model.actor.instance.L2JukeboxInstance    [javac] jukebox(activeChar,command.substring(17));    [javac] ^    [javac] C:\Workspace\[l2j]Server\java\net\sf\l2j\gameserver\model\actor\instance\L2JukeboxInstance.java:43: cannot find symbol    [javac] symbol  : method showMainPage(net.sf.l2j.gameserver.model.actor.instance.L2PcInstance)    [javac] location: class net.sf.l2j.gameserver.model.actor.instance.L2JukeboxInstance    [javac] showMainPage(activeChar);    [javac] ^    [javac] Note: * uses or overrides a deprecated API.    [javac] Note: Recompile with -Xlint:deprecation for details.    [javac] Note: Some input files use unchecked or unsafe operations.    [javac] Note: Recompile with -Xlint:unchecked for details.    [javac] 3 errors