2018-12-17 20:12:22 [SEVERE] Could not pass event PlayerDeathEvent to CombatLog v1.8.11
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 org.bukkit.craftbukkit.v1_6_R3.event.CraftEventFactory.callPlayerDeathEvent(CraftEventFactory.java:344)
	at net.minecraft.server.v1_6_R3.EntityPlayer.die(EntityPlayer.java:312)
	at net.minecraft.server.v1_6_R3.EntityLiving.damageEntity(EntityLiving.java:710)
	at net.minecraft.server.v1_6_R3.EntityHuman.damageEntity(EntityHuman.java:714)
	at net.minecraft.server.v1_6_R3.EntityPlayer.damageEntity(EntityPlayer.java:383)
	at net.minecraft.server.v1_6_R3.MobEffectList.applyInstantEffect(MobEffectList.java:124)
	at net.minecraft.server.v1_6_R3.EntityPotion.a(EntityPotion.java:119)
	at net.minecraft.server.v1_6_R3.EntityProjectile.l_(EntityProjectile.java:156)
	at net.minecraft.server.v1_6_R3.World.entityJoinedWorld(World.java:1354)
	at net.minecraft.server.v1_6_R3.World.playerJoinedWorld(World.java:1335)
	at net.minecraft.server.v1_6_R3.World.tickEntities(World.java:1223)
	at net.minecraft.server.v1_6_R3.WorldServer.tickEntities(WorldServer.java:480)
	at net.minecraft.server.v1_6_R3.MinecraftServer.t(MinecraftServer.java:574)
	at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:227)
	at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:488)
	at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:421)
	at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class ru.zoom4ikdan4ik.utils.ClearModification
	at com.jackproehl.plugins.listeners.PlayerDeathListener.onPlayerDeath(PlayerDeathListener.java:33)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
	... 20 more