battle arena 1.5.2 almost there

2013-09-23 02:04:55 [WARNING] [BattleArena] Task #55764 for BattleArena v3.9.4.8.2 generated an exception
java.lang.NoSuchMethodError: org.bukkit.entity.Player.getMaxHealth()D
	at mc.alk.arena.util.compat.pre.PlayerHelper.setHealth(PlayerHelper.java:50)
	at mc.alk.arena.util.PlayerUtil.setHealth(PlayerUtil.java:62)
	at mc.alk.arena.util.PlayerUtil.setHealth(PlayerUtil.java:58)
	at mc.alk.arena.objects.ArenaPlayer.setHealth(ArenaPlayer.java:112)
	at mc.alk.arena.controllers.PlayerStoreController.restoreHealth(PlayerStoreController.java:81)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:252)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:100)
	at mc.alk.arena.controllers.containers.GameManager.quitting(GameManager.java:84)
	at mc.alk.arena.controllers.containers.GameManager.onPostQuit(GameManager.java:177)
	at mc.alk.arena.controllers.TeleportLocationController.movePlayer(TeleportLocationController.java:118)
	at mc.alk.arena.controllers.TeleportLocationController.teleportOut(TeleportLocationController.java:73)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:237)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:100)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:92)
	at mc.alk.arena.competition.match.PerformTransition.transition(PerformTransition.java:59)
	at mc.alk.arena.competition.match.Match$MatchCompleted.run(Match.java:629)
	at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftTask.run(CraftTask.java:58)
	at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
	at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:509)
	at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:235)
	at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)