Getting this error in my clanwars, heres the code and error.

Code:
Compiling...
src\com\rs\game\player\controlers\SafeFree.java:54: error: cannot find symbol
                                        Player killer = getMostDamageReceivedSou
rcePlayer();
                                                        ^
  symbol: method getMostDamageReceivedSourcePlayer()
1 error
Finished.
Press any key to continue . . .
Heres the code.


Code:
@Override
	public boolean sendDeath() {
                player.lock(7);
		WorldTasksManager.schedule(new WorldTask() {
			int loop;

			@Override
			public void run() {
				if (loop == 0) {
					player.setNextAnimation(new Animation(836));
				} else if (loop == 1) {
					player.getPackets().sendGameMessage("Oh dear, you have died.");
				} else if (loop == 3) {
                                        Player killer = getMostDamageReceivedSourcePlayer();
                                        killer.safepoints += 1;
					player.getEquipment().init();
					player.getInventory().init();
					player.reset();
					player.setCanPvp(false);
					teleportPlayer(player);
					player.setNextAnimation(new Animation(-1));
				} else if (loop == 4) {
					player.getPackets().sendMusicEffect(90);
					stop();
				}
				loop++;
			}
		}, 0, 1);
                return false;
	}

	@Override
	public boolean logout() {