22:17:36 [SEVERE] Could not pass event InventoryCloseEvent to EchoPet v2.0.6
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:427)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:477)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:462)
at org.bukkit.craftbukkit.v1_6_R2.event.CraftEventFactory.handleInventor
yCloseEvent(CraftEventFactory.java:677)
at net.minecraft.server.v1_6_R2.PlayerConnection.handleContainerClose(Pl
ayerConnection.java:1160)
at net.minecraft.server.v1_6_R2.Packet101CloseWindow.handle(SourceFile:1
7)
at net.minecraft.server.v1_6_R2.NetworkManager.b(NetworkManager.java:296
)
at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java
:118)
at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:3
0)
at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:5
90)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:2
26)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:4
86)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java
:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:5
82)
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.next(Unknown Source)
at com.github.dsh105.echopet.listeners.MenuListener.onInventoryClose(Men
uListener.java:176)
at sun.reflect.GeneratedMethodAccessor168.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.ja
va:425)

Duplicate: #27