[11:44:11] [Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to FeatherBoard v4.6.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:86) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:552) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:465) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:584) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1101) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:742) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.EntityHuman.attack(EntityHuman.java:1001) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.EntityPlayer.attack(EntityPlayer.java:1063) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1328) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:52) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.PacketPlayInUseEntity.a(SourceFile:11) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:714) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556) [spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
	at java.util.ArrayList.add(ArrayList.java:463) ~[?:1.8.0_151]
	at be.maximvdw.animatednames.api.AnimatedNamesAPI.showTeam(AnimatedNamesAPI.java:77) ~[?:?]
	at be.maximvdw.animatednames.a.enableEvent(EventTrigger.java:14) ~[?:?]
	at be.maximvdw.placeholderapi.internal.eventhooks.BaseEventHook.enableEvent(BaseEventHook.java:89) ~[?:?]
	at be.maximvdw.placeholdercore.placeholders.eventhooks.VanillaCombatHook.onAttack(VanillaCombatHook.java:284) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-6d16e64-3e9b5c9]
	... 23 more