[Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to ActionHealth v2.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:85) [craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:522) [craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:435) [craftbukkit.jar:git-Bukkit-f27339c]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:554) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1091) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityHuman.d(EntityHuman.java:853) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:732) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityHuman.damageEntity(EntityHuman.java:794) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityPlayer.damageEntity(EntityPlayer.java:481) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityHuman.attack(EntityHuman.java:995) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.EntityPlayer.attack(EntityPlayer.java:1048) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1262) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:52) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:11) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-f27339c]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0_75]
	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_75]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:676) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:632) [craftbukkit.jar:git-Bukkit-f27339c]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:540) [craftbukkit.jar:git-Bukkit-f27339c]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_75]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_7_R4/entity/CraftPlayer
	at me.Zeshan.ActionHealth.AB_1_7.sendActionBar(AB_1_7.java:14) ~[?:?]
	at me.Zeshan.ActionHealth.Main.sendActionBar(Main.java:270) ~[?:?]
	at me.Zeshan.ActionHealth.Main.sendHealth1(Main.java:303) ~[?:?]
	at me.Zeshan.ActionHealth.Main.onDamage(Main.java:231) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor299.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_75]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_75]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[craftbukkit.jar:git-Bukkit-f27339c]
	... 26 more