health error

18:18:39 [SEVERE] Could not pass event PlayerTeleportEvent to DakadoHealth v2.4
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
        at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:432)
        at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:397)
        at net.minecraft.server.v1_6_R2.Packet10Flying.handle(SourceFile:136)
        at net.minecraft.server.v1_6_R2.NetworkManager.b(NetworkManager.java:296)
        at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:116)
        at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
        at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:590)
        at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
        at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
        at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
        at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.IllegalArgumentException: Max health must be greater than 0
        at org.apache.commons.lang.Validate.isTrue(Validate.java:157)
        at org.bukkit.craftbukkit.v1_6_R2.entity.CraftLivingEntity.setMaxHealth(CraftLivingEntity.java:91)
        at org.bukkit.craftbukkit.v1_6_R2.entity.CraftPlayer.setMaxHealth(CraftPlayer.java:978)
        at org.bukkit.craftbukkit.v1_6_R2.entity.CraftLivingEntity.setMaxHealth(CraftLivingEntity.java:447)
        at vip.production.dakado.Health.Main.onTeleport(Main.java:792)
        at sun.reflect.GeneratedMethodAccessor147.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)